82390152 has 32 divisors (see below), whose sum is σ = 221820480. Its totient is φ = 25350720.

The previous prime is 82390129. The next prime is 82390159. The reversal of 82390152 is 25109328.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82390159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131724 + ... + 132347.

It is an arithmetic number, because the mean of its divisors is an integer number (6931890).

Almost surely, 2^82390152 is an apocalyptic number.

It is an amenable number.

82390152 is an abundant number, since it is smaller than the sum of its proper divisors (139430328).

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

82390152 is a wasteful number, since it uses less digits than its factorization.

82390152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264093 (or 264089 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 82390152 is about 9076.9021147085. The cubic root of 82390152 is about 435.1360863690.

The spelling of 82390152 in words is "eighty-two million, three hundred ninety thousand, one hundred fifty-two".