38023240 has 32 divisors (see below), whose sum is σ = 85853880. Its totient is φ = 15155712.

The previous prime is 38023229. The next prime is 38023241. The reversal of 38023240 is 4232083.

It can be written as a sum of positive squares in 4 ways, for example, as 25020004 + 13003236 = 5002^2 + 3606^2 .

It is not an unprimeable number, because it can be changed into a prime (38023241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11002 + ... + 14038.

Almost surely, 2^38023240 is an apocalyptic number.

It is an amenable number.

38023240 is an abundant number, since it is smaller than the sum of its proper divisors (47830640).

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

38023240 is a wasteful number, since it uses less digits than its factorization.

38023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 38023240 is about 6166.2987277621. The cubic root of 38023240 is about 336.2660638254.

The spelling of 38023240 in words is "thirty-eight million, twenty-three thousand, two hundred forty".