36879181 has 4 divisors (see below), whose sum is σ = 38068864. Its totient is φ = 35689500.

The previous prime is 36879127. The next prime is 36879187. The reversal of 36879181 is 18197863.

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 36879181 - 2⁷ = 36879053 is a prime.

It is a super-2 number, since 2×36879181² = 2720147982461522, 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 (36879187) 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, 594795 + ... + 594856.

It is an arithmetic number, because the mean of its divisors is an integer number (9517216).

Almost surely, 2^36879181 is an apocalyptic number.

36879181 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36879181 is a deficient number, since it is larger than the sum of its proper divisors (1189683).

36879181 is a wasteful number, since it uses less digits than its factorization.

36879181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189682.

The product of its digits is 72576, while the sum is 43.

The square root of 36879181 is about 6072.8231490798. The cubic root of 36879181 is about 332.8590908243.

The spelling of 36879181 in words is "thirty-six million, eight hundred seventy-nine thousand, one hundred eighty-one".