243791932 has 12 divisors (see below), whose sum is σ = 428659336. Its totient is φ = 121317840.

The previous prime is 243791887. The next prime is 243791957. The reversal of 243791932 is 239197342.

It is a super-2 number, since 2×243791932² = 118869012216585248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143583 + ... + 145270.

Almost surely, 2^243791932 is an apocalyptic number.

It is an amenable number.

243791932 is a deficient number, since it is larger than the sum of its proper divisors (184867404).

243791932 is a wasteful number, since it uses less digits than its factorization.

243791932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289068 (or 289066 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 243791932 is about 15613.8378369957. The cubic root of 243791932 is about 624.7023068686.

The spelling of 243791932 in words is "two hundred forty-three million, seven hundred ninety-one thousand, nine hundred thirty-two".