320450038 has 16 divisors (see below), whose sum is σ = 496825344. Its totient is φ = 154855080.

The previous prime is 320450021. The next prime is 320450047. The reversal of 320450038 is 830054023.

It is a junction number, because it is equal to n+sod(n) for n = 320449994 and 320450021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52081 + ... + 57907.

It is an arithmetic number, because the mean of its divisors is an integer number (31051584).

Almost surely, 2^320450038 is an apocalyptic number.

320450038 is a deficient number, since it is larger than the sum of its proper divisors (176375306).

320450038 is a wasteful number, since it uses less digits than its factorization.

320450038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 320450038 is about 17901.1183449526. The cubic root of 320450038 is about 684.3108760364.

The spelling of 320450038 in words is "three hundred twenty million, four hundred fifty thousand, thirty-eight".