36998541 has 18 divisors (see below), whose sum is σ = 54632942. Its totient is φ = 24127920.

The previous prime is 36998431. The next prime is 36998543. The reversal of 36998541 is 14589963.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19105641 + 17892900 = 4371^2 + 4230^2 .

It is not a de Polignac number, because 36998541 - 2⁷ = 36998413 is a prime.

It is a super-2 number, since 2×36998541² = 2737784072257362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36998543) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18951 + ... + 20811.

Almost surely, 2^36998541 is an apocalyptic number.

It is an amenable number.

36998541 is a deficient number, since it is larger than the sum of its proper divisors (17634401).

36998541 is a wasteful number, since it uses less digits than its factorization.

36998541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1911 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 36998541 is about 6082.6426000547. The cubic root of 36998541 is about 333.2178051866.

The spelling of 36998541 in words is "thirty-six million, nine hundred ninety-eight thousand, five hundred forty-one".