396492551 has 32 divisors (see below), whose sum is σ = 525719040. Its totient is φ = 290231424.

The previous prime is 396492527. The next prime is 396492557. The reversal of 396492551 is 155294693.

It is not a de Polignac number, because 396492551 - 2¹⁴ = 396476167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396492557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71681 + ... + 77013.

It is an arithmetic number, because the mean of its divisors is an integer number (16428720).

Almost surely, 2^396492551 is an apocalyptic number.

396492551 is a deficient number, since it is larger than the sum of its proper divisors (129226489).

396492551 is a wasteful number, since it uses less digits than its factorization.

396492551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415.

The product of its digits is 291600, while the sum is 44.

The square root of 396492551 is about 19912.1207057410. The cubic root of 396492551 is about 734.6463821054.

The spelling of 396492551 in words is "three hundred ninety-six million, four hundred ninety-two thousand, five hundred fifty-one".