36489799 has 4 divisors (see below), whose sum is σ = 38076336. Its totient is φ = 34903264.

The previous prime is 36489787. The next prime is 36489829. The reversal of 36489799 is 99798463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99798463 = 157 ⋅635659.

It is a cyclic number.

It is not a de Polignac number, because 36489799 - 2⁹ = 36489287 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 (36489749) 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, 793234 + ... + 793279.

It is an arithmetic number, because the mean of its divisors is an integer number (9519084).

Almost surely, 2^36489799 is an apocalyptic number.

36489799 is a deficient number, since it is larger than the sum of its proper divisors (1586537).

36489799 is a wasteful number, since it uses less digits than its factorization.

36489799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586536.

The product of its digits is 2939328, while the sum is 55.

The square root of 36489799 is about 6040.6786870351. The cubic root of 36489799 is about 331.6834665138.

The spelling of 36489799 in words is "thirty-six million, four hundred eighty-nine thousand, seven hundred ninety-nine".