36998797 has 4 divisors (see below), whose sum is σ = 40362336. Its totient is φ = 33635260.

The previous prime is 36998771. The next prime is 36998803. The reversal of 36998797 is 79789963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36998797 - 2²³ = 28610189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36998707) 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, 1681753 + ... + 1681774.

It is an arithmetic number, because the mean of its divisors is an integer number (10090584).

Almost surely, 2^36998797 is an apocalyptic number.

It is an amenable number.

36998797 is a deficient number, since it is larger than the sum of its proper divisors (3363539).

36998797 is a wasteful number, since it uses less digits than its factorization.

36998797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363538.

The product of its digits is 5143824, while the sum is 58.

The square root of 36998797 is about 6082.6636435036. The cubic root of 36998797 is about 333.2185737174.

The spelling of 36998797 in words is "thirty-six million, nine hundred ninety-eight thousand, seven hundred ninety-seven".