396490944 has 56 divisors (see below), whose sum is σ = 1054128448. Its totient is φ = 131523840.

The previous prime is 396490943. The next prime is 396490957. The reversal of 396490944 is 449094693.

It is a super-2 number, since 2×396490944² = 314410137348022272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 396490893 and 396490902.

It is not an unprimeable number, because it can be changed into a prime (396490943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35619 + ... + 45405.

Almost surely, 2^396490944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396490944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527064224).

396490944 is an abundant number, since it is smaller than the sum of its proper divisors (657637504).

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

396490944 is a wasteful number, since it uses less digits than its factorization.

396490944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013 (or 10003 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 396490944 is about 19912.0803533935. The cubic root of 396490944 is about 734.6453895871.

The spelling of 396490944 in words is "three hundred ninety-six million, four hundred ninety thousand, nine hundred forty-four".