37998801 has 10 divisors (see below), whose sum is σ = 56763762. Its totient is φ = 25332480.

The previous prime is 37998797. The next prime is 37998809. The reversal of 37998801 is 10889973.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 2178576 = 5985^2 + 1476^2 .

It is not a de Polignac number, because 37998801 - 2² = 37998797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37998809) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 234480 + ... + 234641.

Almost surely, 2^37998801 is an apocalyptic number.

It is an amenable number.

37998801 is a deficient number, since it is larger than the sum of its proper divisors (18764961).

37998801 is an equidigital number, since it uses as much as digits as its factorization.

37998801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469133 (or 469124 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 37998801 is about 6164.3167504599. The cubic root of 37998801 is about 336.1940046703.

The spelling of 37998801 in words is "thirty-seven million, nine hundred ninety-eight thousand, eight hundred one".