36692989 has 2 divisors, whose sum is σ = 36692990. Its totient is φ = 36692988.

The previous prime is 36692983. The next prime is 36692993. The reversal of 36692989 is 98929663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 17288964 = 4405^2 + 4158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36692989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36692983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18346494 + 18346495.

It is an arithmetic number, because the mean of its divisors is an integer number (18346495).

Almost surely, 2^36692989 is an apocalyptic number.

It is an amenable number.

36692989 is a deficient number, since it is larger than the sum of its proper divisors (1).

36692989 is an equidigital number, since it uses as much as digits as its factorization.

36692989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 36692989 is about 6057.4738133978. The cubic root of 36692989 is about 332.2979766615.

The spelling of 36692989 in words is "thirty-six million, six hundred ninety-two thousand, nine hundred eighty-nine".