37803990 has 48 divisors (see below), whose sum is σ = 105546672. Its totient is φ = 8640576.

The previous prime is 37803979. The next prime is 37803991. The reversal of 37803990 is 9930873.

It is a happy number.

37803990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37803991) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11389 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (2198889).

Almost surely, 2^37803990 is an apocalyptic number.

37803990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

37803990 is an abundant number, since it is smaller than the sum of its proper divisors (67742682).

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

37803990 is a wasteful number, since it uses less digits than its factorization.

37803990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25741 (or 25734 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 37803990 is about 6148.4949377876. The cubic root of 37803990 is about 335.6184905922.

The spelling of 37803990 in words is "thirty-seven million, eight hundred three thousand, nine hundred ninety".