397464 has 16 divisors (see below), whose sum is σ = 993720. Its totient is φ = 132480.

The previous prime is 397459. The next prime is 397469. The reversal of 397464 is 464793.

397464 = T₆₇ + T₆₈ + ... + T₁₃₈.

It is an interprime number because it is at equal distance from previous prime (397459) and next prime (397469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397469) by changing a digit.

397464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8257 + ... + 8304.

2³⁹⁷⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

397464 is an abundant number, since it is smaller than the sum of its proper divisors (596256).

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

397464 is a wasteful number, since it uses less digits than its factorization.

397464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16570 (or 16566 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 397464 is about 630.4474601424. The cubic root of 397464 is about 73.5245880067.

It can be divided in two parts, 397 and 464, that added together give a triangular number (861 = T₄₁).

The spelling of 397464 in words is "three hundred ninety-seven thousand, four hundred sixty-four".