82304490 has 16 divisors (see below), whose sum is σ = 197530848. Its totient is φ = 21947856.

The previous prime is 82304477. The next prime is 82304503. The reversal of 82304490 is 9440328.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82304477) and next prime (82304503).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2743483 = 82304490 / (8 + 2 + 3 + 0 + 4 + 4 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371712 + ... + 1371771.

It is an arithmetic number, because the mean of its divisors is an integer number (12345678).

Almost surely, 2^82304490 is an apocalyptic number.

82304490 is an abundant number, since it is smaller than the sum of its proper divisors (115226358).

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

82304490 is a wasteful number, since it uses less digits than its factorization.

82304490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743493.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 82304490 is about 9072.1822071649. The cubic root of 82304490 is about 434.9852287229.

It can be divided in two parts, 8230 and 4490, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 82304490 in words is "eighty-two million, three hundred four thousand, four hundred ninety".