36879949 has 4 divisors (see below), whose sum is σ = 37430464. Its totient is φ = 36329436.

The previous prime is 36879943. The next prime is 36879977. The reversal of 36879949 is 94997863.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94997863 = 2179 ⋅43597.

It is a cyclic number.

It is not a de Polignac number, because 36879949 - 2⁵ = 36879917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36879949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36879943) 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, 275157 + ... + 275290.

It is an arithmetic number, because the mean of its divisors is an integer number (9357616).

Almost surely, 2^36879949 is an apocalyptic number.

It is an amenable number.

36879949 is a deficient number, since it is larger than the sum of its proper divisors (550515).

36879949 is an equidigital number, since it uses as much as digits as its factorization.

36879949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550514.

The product of its digits is 2939328, while the sum is 55.

The square root of 36879949 is about 6072.8863812853. The cubic root of 36879949 is about 332.8614013782.

The spelling of 36879949 in words is "thirty-six million, eight hundred seventy-nine thousand, nine hundred forty-nine".