36998539 has 4 divisors (see below), whose sum is σ = 37550824. Its totient is φ = 36446256.

The previous prime is 36998431. The next prime is 36998543. The reversal of 36998539 is 93589963.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 36998539 - 2⁷ = 36998411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36998569) 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, 276042 + ... + 276175.

It is an arithmetic number, because the mean of its divisors is an integer number (9387706).

Almost surely, 2^36998539 is an apocalyptic number.

36998539 is a deficient number, since it is larger than the sum of its proper divisors (552285).

36998539 is an equidigital number, since it uses as much as digits as its factorization.

36998539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552284.

The product of its digits is 1574640, while the sum is 52.

The square root of 36998539 is about 6082.6424356525. The cubic root of 36998539 is about 333.2177991824.

The spelling of 36998539 in words is "thirty-six million, nine hundred ninety-eight thousand, five hundred thirty-nine".