36693399 has 4 divisors (see below), whose sum is σ = 48924536. Its totient is φ = 24462264.

The previous prime is 36693383. The next prime is 36693443. The reversal of 36693399 is 99339663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99339663 = 3 ⋅33113221.

It is not a de Polignac number, because 36693399 - 2⁴ = 36693383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36693329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115564 + ... + 6115569.

It is an arithmetic number, because the mean of its divisors is an integer number (12231134).

Almost surely, 2^36693399 is an apocalyptic number.

36693399 is a deficient number, since it is larger than the sum of its proper divisors (12231137).

36693399 is a wasteful number, since it uses less digits than its factorization.

36693399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231136.

The product of its digits is 708588, while the sum is 48.

The square root of 36693399 is about 6057.5076557938. The cubic root of 36693399 is about 332.2992143336.

The spelling of 36693399 in words is "thirty-six million, six hundred ninety-three thousand, three hundred ninety-nine".