82400036 has 24 divisors (see below), whose sum is σ = 155897280. Its totient is φ = 37975392.

The previous prime is 82400023. The next prime is 82400039. The reversal of 82400036 is 63000428.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82399984 and 82400020.

It is not an unprimeable number, because it can be changed into a prime (82400039) 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, 11840 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (6495720).

Almost surely, 2^82400036 is an apocalyptic number.

It is an amenable number.

82400036 is a deficient number, since it is larger than the sum of its proper divisors (73497244).

82400036 is a wasteful number, since it uses less digits than its factorization.

82400036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363 (or 29361 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 82400036 is about 9077.4465572649. The cubic root of 82400036 is about 435.1534861553.

The spelling of 82400036 in words is "eighty-two million, four hundred thousand, thirty-six".