36632891 has 2 divisors, whose sum is σ = 36632892. Its totient is φ = 36632890.

The previous prime is 36632873. The next prime is 36632927. The reversal of 36632891 is 19823663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36632891 - 2²² = 32438587 is a prime.

It is not a weakly prime, because it can be changed into another prime (36632821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18316445 + 18316446.

It is an arithmetic number, because the mean of its divisors is an integer number (18316446).

Almost surely, 2^36632891 is an apocalyptic number.

36632891 is a deficient number, since it is larger than the sum of its proper divisors (1).

36632891 is an equidigital number, since it uses as much as digits as its factorization.

36632891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 36632891 is about 6052.5111317535. The cubic root of 36632891 is about 332.1164582733.

The spelling of 36632891 in words is "thirty-six million, six hundred thirty-two thousand, eight hundred ninety-one".