4397490 has 80 divisors (see below), whose sum is σ = 12153240. Its totient is φ = 1140480.

The previous prime is 4397483. The next prime is 4397501. The reversal of 4397490 is 947934.

It can be written as a sum of positive squares in 4 ways, for example, as 1565001 + 2832489 = 1251^2 + 1683^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49366 + ... + 49454.

Almost surely, 2^4397490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4397490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6076620).

4397490 is an abundant number, since it is smaller than the sum of its proper divisors (7755750).

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

4397490 is a wasteful number, since it uses less digits than its factorization.

4397490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4397490 is about 2097.0193132158. The cubic root of 4397490 is about 163.8330891571.

The spelling of 4397490 in words is "four million, three hundred ninety-seven thousand, four hundred ninety".