397476 has 36 divisors (see below), whose sum is σ = 1026844. Its totient is φ = 129600.

The previous prime is 397469. The next prime is 397489. The reversal of 397476 is 674793.

It can be written as a sum of positive squares in 2 ways, for example, as 8100 + 389376 = 90^2 + 624^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

Its product of digits (31752) is a multiple of the sum of its prime factors (252).

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 397476.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106 + ... + 2286.

2³⁹⁷⁴⁷⁶ is an apocalyptic number.

397476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513422).

397476 is an abundant number, since it is smaller than the sum of its proper divisors (629368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397476 is a wasteful number, since it uses less digits than its factorization.

397476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 397476 is about 630.4569771206. The cubic root of 397476 is about 73.5253279363.

It can be divided in two parts, 3 and 97476, that added together give a palindrome (97479).

The spelling of 397476 in words is "three hundred ninety-seven thousand, four hundred seventy-six".