37987049 has 4 divisors (see below), whose sum is σ = 39013764. Its totient is φ = 36960336.

The previous prime is 37987039. The next prime is 37987051. The reversal of 37987049 is 94078973.

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 34987225 + 2999824 = 5915^2 + 1732^2 .

It is a de Polignac number, because none of the positive numbers 2^k-37987049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37986994 and 37987012.

It is not an unprimeable number, because it can be changed into a prime (37987039) 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, 513302 + ... + 513375.

It is an arithmetic number, because the mean of its divisors is an integer number (9753441).

Almost surely, 2^37987049 is an apocalyptic number.

It is an amenable number.

37987049 is a deficient number, since it is larger than the sum of its proper divisors (1026715).

37987049 is a wasteful number, since it uses less digits than its factorization.

37987049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026714.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 37987049 is about 6163.3634486374. The cubic root of 37987049 is about 336.1593425300.

The spelling of 37987049 in words is "thirty-seven million, nine hundred eighty-seven thousand, forty-nine".