43985740 has 24 divisors (see below), whose sum is σ = 92776320. Its totient is φ = 17516928.

The previous prime is 43985737. The next prime is 43985759. The reversal of 43985740 is 4758934.

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 junction number, because it is equal to n+sod(n) for n = 43985693 and 43985702.

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, 60 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (3865680).

Almost surely, 2^43985740 is an apocalyptic number.

It is an amenable number.

43985740 is an abundant number, since it is smaller than the sum of its proper divisors (48790580).

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

43985740 is a wasteful number, since it uses less digits than its factorization.

43985740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 43985740 is about 6632.1746056629. The cubic root of 43985740 is about 352.9966909517.

The spelling of 43985740 in words is "forty-three million, nine hundred eighty-five thousand, seven hundred forty".