396498641 has 24 divisors (see below), whose sum is σ = 506362464. Its totient is φ = 306996480.

The previous prime is 396498637. The next prime is 396498647. The reversal of 396498641 is 146894693.

It is not a de Polignac number, because 396498641 - 2² = 396498637 is a prime.

It is a super-2 number, since 2×396498641² = 314422344629693762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396498641.

It is not an unprimeable number, because it can be changed into a prime (396498647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85601 + ... + 90113.

It is an arithmetic number, because the mean of its divisors is an integer number (21098436).

Almost surely, 2^396498641 is an apocalyptic number.

It is an amenable number.

396498641 is a deficient number, since it is larger than the sum of its proper divisors (109863823).

396498641 is a wasteful number, since it uses less digits than its factorization.

396498641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701 (or 4694 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 396498641 is about 19912.2736270874. The cubic root of 396498641 is about 734.6501433980.

The spelling of 396498641 in words is "three hundred ninety-six million, four hundred ninety-eight thousand, six hundred forty-one".