47865942 has 48 divisors (see below), whose sum is σ = 107714880. Its totient is φ = 15350400.

The previous prime is 47865941. The next prime is 47865947. The reversal of 47865942 is 24956874.

It is a happy number.

It is a super-2 number, since 2×47865942² = 4582296807094728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47865941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57892 + ... + 58712.

It is an arithmetic number, because the mean of its divisors is an integer number (2244060).

Almost surely, 2^47865942 is an apocalyptic number.

47865942 is an abundant number, since it is smaller than the sum of its proper divisors (59848938).

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

47865942 is a wasteful number, since it uses less digits than its factorization.

47865942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 946 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 47865942 is about 6918.5216628988. The cubic root of 47865942 is about 363.0854703914.

The spelling of 47865942 in words is "forty-seven million, eight hundred sixty-five thousand, nine hundred forty-two".