308245432 has 16 divisors (see below), whose sum is σ = 630502200. Its totient is φ = 140111520.

The previous prime is 308245429. The next prime is 308245433. The reversal of 308245432 is 234542803.

It is a junction number, because it is equal to n+sod(n) for n = 308245394 and 308245403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308245433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751307 + ... + 1751482.

Almost surely, 2^308245432 is an apocalyptic number.

It is an amenable number.

308245432 is an abundant number, since it is smaller than the sum of its proper divisors (322256768).

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

308245432 is a wasteful number, since it uses less digits than its factorization.

308245432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502806 (or 3502802 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 308245432 is about 17556.9197754048. The cubic root of 308245432 is about 675.5106749113.

The spelling of 308245432 in words is "three hundred eight million, two hundred forty-five thousand, four hundred thirty-two".