40306984 has 32 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 19176640.

The previous prime is 40306969. The next prime is 40306993. The reversal of 40306984 is 48960304.

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, 15249 + ... + 17695.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 2^40306984 is an apocalyptic number.

It is an amenable number.

40306984 is a deficient number, since it is larger than the sum of its proper divisors (39008216).

40306984 is a wasteful number, since it uses less digits than its factorization.

40306984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40306984 is about 6348.7781501640. The cubic root of 40306984 is about 342.8678527739.

The spelling of 40306984 in words is "forty million, three hundred six thousand, nine hundred eighty-four".