47284904 has 16 divisors (see below), whose sum is σ = 90332820. Its totient is φ = 23196160.

The previous prime is 47284903. The next prime is 47284921. The reversal of 47284904 is 40948274.

It can be written as a sum of positive squares in 2 ways, for example, as 46922500 + 362404 = 6850^2 + 602^2 .

It is not an unprimeable number, because it can be changed into a prime (47284903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55337 + ... + 56184.

Almost surely, 2^47284904 is an apocalyptic number.

It is an amenable number.

47284904 is a deficient number, since it is larger than the sum of its proper divisors (43047916).

47284904 is a wasteful number, since it uses less digits than its factorization.

47284904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111580 (or 111576 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47284904 is about 6876.4019661448. The cubic root of 47284904 is about 361.6103374038.

The spelling of 47284904 in words is "forty-seven million, two hundred eighty-four thousand, nine hundred four".