36403899 has 8 divisors (see below), whose sum is σ = 55472640. Its totient is φ = 20802216.

The previous prime is 36403891. The next prime is 36403909. The reversal of 36403899 is 99830463.

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

It is not a de Polignac number, because 36403899 - 2³ = 36403891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36403899.

It is not an unprimeable number, because it can be changed into a prime (36403891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866739 + ... + 866780.

It is an arithmetic number, because the mean of its divisors is an integer number (6934080).

Almost surely, 2^36403899 is an apocalyptic number.

36403899 is a deficient number, since it is larger than the sum of its proper divisors (19068741).

36403899 is a wasteful number, since it uses less digits than its factorization.

36403899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733529.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 36403899 is about 6033.5643694254. The cubic root of 36403899 is about 331.4229919241.

The spelling of 36403899 in words is "thirty-six million, four hundred three thousand, eight hundred ninety-nine".