474339987 has 48 divisors (see below), whose sum is σ = 762933600. Its totient is φ = 281594880.

The previous prime is 474339917. The next prime is 474340019. The reversal of 474339987 is 789933474.

474339987 is a `hidden beast` number, since 47 + 433 + 99 + 87 = 666.

It is not a de Polignac number, because 474339987 - 2¹¹ = 474337939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (474339917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1219189 + ... + 1219577.

It is an arithmetic number, because the mean of its divisors is an integer number (15894450).

Almost surely, 2^474339987 is an apocalyptic number.

474339987 is a deficient number, since it is larger than the sum of its proper divisors (288593613).

474339987 is a wasteful number, since it uses less digits than its factorization.

474339987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 625 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 474339987 is about 21779.3477175052. The cubic root of 474339987 is about 779.8838239200.

The spelling of 474339987 in words is "four hundred seventy-four million, three hundred thirty-nine thousand, nine hundred eighty-seven".