38400570 has 96 divisors (see below), whose sum is σ = 112275072. Its totient is φ = 9035136.

The previous prime is 38400521. The next prime is 38400587. The reversal of 38400570 is 7500483.

38400570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26197 + ... + 27623.

It is an arithmetic number, because the mean of its divisors is an integer number (1169532).

Almost surely, 2^38400570 is an apocalyptic number.

38400570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38400570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56137536).

38400570 is an abundant number, since it is smaller than the sum of its proper divisors (73874502).

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

38400570 is a wasteful number, since it uses less digits than its factorization.

38400570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 38400570 is about 6196.8193454384. The cubic root of 38400570 is about 337.3747354063.

The spelling of 38400570 in words is "thirty-eight million, four hundred thousand, five hundred seventy".