37989541 has 4 divisors (see below), whose sum is σ = 38186572. Its totient is φ = 37792512.

The previous prime is 37989527. The next prime is 37989557. The reversal of 37989541 is 14598973.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11764900 + 26224641 = 3430^2 + 5121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37989541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37989491 and 37989500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37989521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98226 + ... + 98611.

It is an arithmetic number, because the mean of its divisors is an integer number (9546643).

Almost surely, 2^37989541 is an apocalyptic number.

It is an amenable number.

37989541 is a deficient number, since it is larger than the sum of its proper divisors (197031).

37989541 is a wasteful number, since it uses less digits than its factorization.

37989541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197030.

The product of its digits is 272160, while the sum is 46.

The square root of 37989541 is about 6163.5656076657. The cubic root of 37989541 is about 336.1666931998.

The spelling of 37989541 in words is "thirty-seven million, nine hundred eighty-nine thousand, five hundred forty-one".