38845790 has 48 divisors (see below), whose sum is σ = 75254400. Its totient is φ = 14421120.

The previous prime is 38845787. The next prime is 38845811. The reversal of 38845790 is 9754883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260636 + ... + 260784.

It is an arithmetic number, because the mean of its divisors is an integer number (1567800).

Almost surely, 2^38845790 is an apocalyptic number.

38845790 is a deficient number, since it is larger than the sum of its proper divisors (36408610).

38845790 is a wasteful number, since it uses less digits than its factorization.

38845790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 38845790 is about 6232.6390878985. The cubic root of 38845790 is about 338.6735806157.

The spelling of 38845790 in words is "thirty-eight million, eight hundred forty-five thousand, seven hundred ninety".