82436490 has 24 divisors (see below), whose sum is σ = 214335108. Its totient is φ = 21983040.

The previous prime is 82436489. The next prime is 82436509. The reversal of 82436490 is 9463428.

It is a happy number.

82436490 is a `hidden beast` number, since 8 + 2 + 4 + 3 + 649 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 76370121 + 6066369 = 8739^2 + 2463^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457891 + ... + 458070.

Almost surely, 2^82436490 is an apocalyptic number.

82436490 is an abundant number, since it is smaller than the sum of its proper divisors (131898618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82436490 is a wasteful number, since it uses less digits than its factorization.

82436490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915974 (or 915971 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 82436490 is about 9079.4542787549. The cubic root of 82436490 is about 435.2176477230.

The spelling of 82436490 in words is "eighty-two million, four hundred thirty-six thousand, four hundred ninety".