402936471 has 32 divisors (see below), whose sum is σ = 711889920. Its totient is φ = 220236192.

The previous prime is 402936463. The next prime is 402936487. The reversal of 402936471 is 174639204.

402936471 is a `hidden beast` number, since 4 + 0 + 2 + 9 + 3 + 647 + 1 = 666.

It is not a de Polignac number, because 402936471 - 2³ = 402936463 is a prime.

It is a super-3 number, since 3×402936471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402936461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42000 + ... + 50693.

It is an arithmetic number, because the mean of its divisors is an integer number (22246560).

Almost surely, 2^402936471 is an apocalyptic number.

402936471 is a deficient number, since it is larger than the sum of its proper divisors (308953449).

402936471 is a wasteful number, since it uses less digits than its factorization.

402936471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92732 (or 92726 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 402936471 is about 20073.2775350713. The cubic root of 402936471 is about 738.6049141759.

It can be divided in two parts, 40293 and 6471, that added together give a palindrome (46764).

The spelling of 402936471 in words is "four hundred two million, nine hundred thirty-six thousand, four hundred seventy-one".