43978052 has 24 divisors (see below), whose sum is σ = 79570176. Its totient is φ = 21251808.

The previous prime is 43978043. The next prime is 43978061. The reversal of 43978052 is 25087934.

It is an interprime number because it is at equal distance from previous prime (43978043) and next prime (43978061).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43977997 and 43978015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23213 + ... + 25035.

It is an arithmetic number, because the mean of its divisors is an integer number (3315424).

Almost surely, 2^43978052 is an apocalyptic number.

It is an amenable number.

43978052 is a deficient number, since it is larger than the sum of its proper divisors (35592124).

43978052 is a wasteful number, since it uses less digits than its factorization.

43978052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 43978052 is about 6631.5949816013. The cubic root of 43978052 is about 352.9761237051.

The spelling of 43978052 in words is "forty-three million, nine hundred seventy-eight thousand, fifty-two".