36990805 has 16 divisors (see below), whose sum is σ = 46116720. Its totient is φ = 28449792.

The previous prime is 36990799. The next prime is 36990829. The reversal of 36990805 is 50809963.

It can be written as a sum of positive squares in 8 ways, for example, as 521284 + 36469521 = 722^2 + 6039^2 .

It is a cyclic number.

It is not a de Polignac number, because 36990805 - 2³ = 36990797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48487 + ... + 49243.

It is an arithmetic number, because the mean of its divisors is an integer number (2882295).

Almost surely, 2^36990805 is an apocalyptic number.

It is an amenable number.

36990805 is a deficient number, since it is larger than the sum of its proper divisors (9125915).

36990805 is a wasteful number, since it uses less digits than its factorization.

36990805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 36990805 is about 6082.0066589901. The cubic root of 36990805 is about 333.1945794723.

The spelling of 36990805 in words is "thirty-six million, nine hundred ninety thousand, eight hundred five".