38820942 has 12 divisors (see below), whose sum is σ = 84112080. Its totient is φ = 12940308.

The previous prime is 38820931. The next prime is 38820961. The reversal of 38820942 is 24902883.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38820897 and 38820906.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1078342 + ... + 1078377.

It is an arithmetic number, because the mean of its divisors is an integer number (7009340).

Almost surely, 2^38820942 is an apocalyptic number.

38820942 is an abundant number, since it is smaller than the sum of its proper divisors (45291138).

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

38820942 is a wasteful number, since it uses less digits than its factorization.

38820942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156727 (or 2156724 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38820942 is about 6230.6453919317. The cubic root of 38820942 is about 338.6013535174.

The spelling of 38820942 in words is "thirty-eight million, eight hundred twenty thousand, nine hundred forty-two".