320348460 has 48 divisors (see below), whose sum is σ = 907796736. Its totient is φ = 84395712.

The previous prime is 320348449. The next prime is 320348473. The reversal of 320348460 is 64843023.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27184 + ... + 37143.

It is an arithmetic number, because the mean of its divisors is an integer number (18912432).

Almost surely, 2^320348460 is an apocalyptic number.

320348460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320348460 is an abundant number, since it is smaller than the sum of its proper divisors (587448276).

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

320348460 is a wasteful number, since it uses less digits than its factorization.

320348460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64422 (or 64420 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 320348460 is about 17898.2809230384. The cubic root of 320348460 is about 684.2385628644.

The spelling of 320348460 in words is "three hundred twenty million, three hundred forty-eight thousand, four hundred sixty".