474915987 has 96 divisors (see below), whose sum is σ = 899760960. Its totient is φ = 245306880.

The previous prime is 474915953. The next prime is 474916009. The reversal of 474915987 is 789519474.

474915987 is a `hidden beast` number, since 4 + 7 + 49 + 1 + 598 + 7 = 666.

It is not a de Polignac number, because 474915987 - 2¹¹ = 474913939 is a prime.

It is a super-3 number, since 3×474915987³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (474915487) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 911287 + ... + 911807.

It is an arithmetic number, because the mean of its divisors is an integer number (9372510).

Almost surely, 2^474915987 is an apocalyptic number.

474915987 is a deficient number, since it is larger than the sum of its proper divisors (424844973).

474915987 is a wasteful number, since it uses less digits than its factorization.

474915987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 597 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 474915987 is about 21792.5672420667. The cubic root of 474915987 is about 780.1993721120.

It can be divided in two parts, 4749 and 15987, that added together give a 4-th power (20736 = 12⁴).

The spelling of 474915987 in words is "four hundred seventy-four million, nine hundred fifteen thousand, nine hundred eighty-seven".