345921330 has 32 divisors (see below), whose sum is σ = 836757504. Its totient is φ = 91518336.

The previous prime is 345921313. The next prime is 345921347. The reversal of 345921330 is 33129543.

It is an interprime number because it is at equal distance from previous prime (345921313) and next prime (345921347).

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, 41587 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (26148672).

Almost surely, 2^345921330 is an apocalyptic number.

345921330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345921330 is an abundant number, since it is smaller than the sum of its proper divisors (490836174).

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

345921330 is a wasteful number, since it uses less digits than its factorization.

345921330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90930.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 345921330 is about 18598.9604548211. The cubic root of 345921330 is about 701.9816839240.

The spelling of 345921330 in words is "three hundred forty-five million, nine hundred twenty-one thousand, three hundred thirty".