36894321 has 6 divisors (see below), whose sum is σ = 53291810. Its totient is φ = 24596208.

The previous prime is 36894317. The next prime is 36894359. The reversal of 36894321 is 12349863.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 2143296 = 5895^2 + 1464^2 .

It is not a de Polignac number, because 36894321 - 2² = 36894317 is a prime.

It is a super-2 number, since 2×36894321² = 2722381844102082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36894311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2049676 + ... + 2049693.

Almost surely, 2^36894321 is an apocalyptic number.

It is an amenable number.

36894321 is a deficient number, since it is larger than the sum of its proper divisors (16397489).

36894321 is a wasteful number, since it uses less digits than its factorization.

36894321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099375 (or 4099372 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 36894321 is about 6074.0695583768. The cubic root of 36894321 is about 332.9046341095.

The spelling of 36894321 in words is "thirty-six million, eight hundred ninety-four thousand, three hundred twenty-one".