47089830 has 32 divisors (see below), whose sum is σ = 119664864. Its totient is φ = 11818496.

The previous prime is 47089807. The next prime is 47089843. The reversal of 47089830 is 3898074.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45657 + ... + 46676.

It is an arithmetic number, because the mean of its divisors is an integer number (3739527).

Almost surely, 2^47089830 is an apocalyptic number.

47089830 is an abundant number, since it is smaller than the sum of its proper divisors (72575034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47089830 is a wasteful number, since it uses less digits than its factorization.

47089830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92360.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47089830 is about 6862.2029990376. The cubic root of 47089830 is about 361.1123771860.

The spelling of 47089830 in words is "forty-seven million, eighty-nine thousand, eight hundred thirty".