38821794 has 32 divisors (see below), whose sum is σ = 84939840. Its totient is φ = 11731200.

The previous prime is 38821787. The next prime is 38821799. The reversal of 38821794 is 49712883.

It is not an unprimeable number, because it can be changed into a prime (38821799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33822 + ... + 34950.

It is an arithmetic number, because the mean of its divisors is an integer number (2654370).

Almost surely, 2^38821794 is an apocalyptic number.

38821794 is an abundant number, since it is smaller than the sum of its proper divisors (46118046).

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

38821794 is a wasteful number, since it uses less digits than its factorization.

38821794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 96768, while the sum is 42.

The square root of 38821794 is about 6230.7137632859. The cubic root of 38821794 is about 338.6038305845.

The spelling of 38821794 in words is "thirty-eight million, eight hundred twenty-one thousand, seven hundred ninety-four".