36903921 has 12 divisors (see below), whose sum is σ = 50963952. Its totient is φ = 23752624.

The previous prime is 36903917. The next prime is 36903943. The reversal of 36903921 is 12930963.

It is not a de Polignac number, because 36903921 - 2² = 36903917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36903901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (4246996).

Almost surely, 2^36903921 is an apocalyptic number.

It is an amenable number.

36903921 is a deficient number, since it is larger than the sum of its proper divisors (14060031).

36903921 is a wasteful number, since it uses less digits than its factorization.

36903921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14688 (or 14659 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 36903921 is about 6074.8597514675. The cubic root of 36903921 is about 332.9335058279.

The spelling of 36903921 in words is "thirty-six million, nine hundred three thousand, nine hundred twenty-one".