47389932 has 72 divisors (see below), whose sum is σ = 124352592. Its totient is φ = 15206400.

The previous prime is 47389879. The next prime is 47389943. The reversal of 47389932 is 23998374.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143007 + ... + 143337.

Almost surely, 2^47389932 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 47389932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62176296).

47389932 is an abundant number, since it is smaller than the sum of its proper divisors (76962660).

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

47389932 is a wasteful number, since it uses less digits than its factorization.

47389932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 474 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47389932 is about 6884.0345728359. The cubic root of 47389932 is about 361.8778725823.

The spelling of 47389932 in words is "forty-seven million, three hundred eighty-nine thousand, nine hundred thirty-two".