36398865 has 8 divisors (see below), whose sum is σ = 58238208. Its totient is φ = 19412720.

The previous prime is 36398849. The next prime is 36398881. The reversal of 36398865 is 56889363.

It is an interprime number because it is at equal distance from previous prime (36398849) and next prime (36398881).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36398865 - 2⁴ = 36398849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213281 + ... + 1213310.

It is an arithmetic number, because the mean of its divisors is an integer number (7279776).

Almost surely, 2^36398865 is an apocalyptic number.

It is an amenable number.

36398865 is a deficient number, since it is larger than the sum of its proper divisors (21839343).

36398865 is a wasteful number, since it uses less digits than its factorization.

36398865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426599.

The product of its digits is 933120, while the sum is 48.

The square root of 36398865 is about 6033.1471886570. The cubic root of 36398865 is about 331.4077146206.

The spelling of 36398865 in words is "thirty-six million, three hundred ninety-eight thousand, eight hundred sixty-five".