396897250 has 32 divisors (see below), whose sum is σ = 748725120. Its totient is φ = 157534000.

The previous prime is 396897227. The next prime is 396897253. The reversal of 396897250 is 52798693.

It is a junction number, because it is equal to n+sod(n) for n = 396897194 and 396897203.

It is not an unprimeable number, because it can be changed into a prime (396897253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26691 + ... + 38809.

It is an arithmetic number, because the mean of its divisors is an integer number (23397660).

Almost surely, 2^396897250 is an apocalyptic number.

396897250 is a deficient number, since it is larger than the sum of its proper divisors (351827870).

396897250 is a wasteful number, since it uses less digits than its factorization.

396897250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267 (or 12257 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 396897250 is about 19922.2802409764. The cubic root of 396897250 is about 734.8962477149.

The spelling of 396897250 in words is "three hundred ninety-six million, eight hundred ninety-seven thousand, two hundred fifty".