396617472 has 180 divisors, whose sum is σ = 1222769856. Its totient is φ = 127733760.

The previous prime is 396617461. The next prime is 396617479. The reversal of 396617472 is 274716693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396617479) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642508 + ... + 643124.

Almost surely, 2^396617472 is an apocalyptic number.

396617472 is a gapful number since it is divisible by the number (32) 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 396617472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611384928).

396617472 is an abundant number, since it is smaller than the sum of its proper divisors (826152384).

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

396617472 is an equidigital number, since it uses as much as digits as its factorization.

396617472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 653 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 396617472 is about 19915.2572667289. The cubic root of 396617472 is about 734.7235278374.

The spelling of 396617472 in words is "three hundred ninety-six million, six hundred seventeen thousand, four hundred seventy-two".