47390832 has 140 divisors (see below), whose sum is σ = 146374560. Its totient is φ = 14805504.

The previous prime is 47390803. The next prime is 47390873. The reversal of 47390832 is 23809374.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 198169 + ... + 198407.

Almost surely, 2^47390832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47390832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73187280).

47390832 is an abundant number, since it is smaller than the sum of its proper divisors (98983728).

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

47390832 is a wasteful number, since it uses less digits than its factorization.

47390832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 261 counting only the distinct ones).

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

The square root of 47390832 is about 6884.0999411688. The cubic root of 47390832 is about 361.8801634206.

The spelling of 47390832 in words is "forty-seven million, three hundred ninety thousand, eight hundred thirty-two".