36890831 has 2 divisors, whose sum is σ = 36890832. Its totient is φ = 36890830.

The previous prime is 36890807. The next prime is 36890849. The reversal of 36890831 is 13809863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36890831 - 2¹⁰ = 36889807 is a prime.

It is a super-2 number, since 2×36890831² = 2721866823741122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36890531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18445415 + 18445416.

It is an arithmetic number, because the mean of its divisors is an integer number (18445416).

Almost surely, 2^36890831 is an apocalyptic number.

36890831 is a deficient number, since it is larger than the sum of its proper divisors (1).

36890831 is an equidigital number, since it uses as much as digits as its factorization.

36890831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 36890831 is about 6073.7822647836. The cubic root of 36890831 is about 332.8941367956.

The spelling of 36890831 in words is "thirty-six million, eight hundred ninety thousand, eight hundred thirty-one".