307434450 has 48 divisors (see below), whose sum is σ = 776843136. Its totient is φ = 80433600.

The previous prime is 307434437. The next prime is 307434521. The reversal of 307434450 is 54434703.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 11386 + ... + 27285.

It is an arithmetic number, because the mean of its divisors is an integer number (16184232).

Almost surely, 2^307434450 is an apocalyptic number.

307434450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307434450 is an abundant number, since it is smaller than the sum of its proper divisors (469408686).

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

307434450 is a wasteful number, since it uses less digits than its factorization.

307434450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38739 (or 38734 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 307434450 is about 17533.8087704868. The cubic root of 307434450 is about 674.9177403187.

The spelling of 307434450 in words is "three hundred seven million, four hundred thirty-four thousand, four hundred fifty".