38292940 has 24 divisors (see below), whose sum is σ = 91903392. Its totient is φ = 13128960.

The previous prime is 38292931. The next prime is 38292941. The reversal of 38292940 is 4929283.

It is a self number, because there is not a number n which added to its sum of digits gives 38292940.

It is not an unprimeable number, because it can be changed into a prime (38292941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136621 + ... + 136900.

It is an arithmetic number, because the mean of its divisors is an integer number (3829308).

Almost surely, 2^38292940 is an apocalyptic number.

It is an amenable number.

38292940 is an abundant number, since it is smaller than the sum of its proper divisors (53610452).

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

38292940 is a wasteful number, since it uses less digits than its factorization.

38292940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273537 (or 273535 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 38292940 is about 6188.1289579323. The cubic root of 38292940 is about 337.0592399094.

The spelling of 38292940 in words is "thirty-eight million, two hundred ninety-two thousand, nine hundred forty".