40396930 has 64 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 12847104.

The previous prime is 40396927. The next prime is 40396949. The reversal of 40396930 is 3969304.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98566 + ... + 98974.

It is an arithmetic number, because the mean of its divisors is an integer number (1394820).

Almost surely, 2^40396930 is an apocalyptic number.

40396930 is an abundant number, since it is smaller than the sum of its proper divisors (48871550).

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

40396930 is a wasteful number, since it uses less digits than its factorization.

40396930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 40396930 is about 6355.8579279276. The cubic root of 40396930 is about 343.1227025746.

The spelling of 40396930 in words is "forty million, three hundred ninety-six thousand, nine hundred thirty".