345321492 has 24 divisors (see below), whose sum is σ = 806123136. Its totient is φ = 115053888.

The previous prime is 345321491. The next prime is 345321503. The reversal of 345321492 is 294123543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345321491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27253 + ... + 37859.

It is an arithmetic number, because the mean of its divisors is an integer number (33588464).

Almost surely, 2^345321492 is an apocalyptic number.

It is an amenable number.

345321492 is an abundant number, since it is smaller than the sum of its proper divisors (460801644).

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

345321492 is a wasteful number, since it uses less digits than its factorization.

345321492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327 (or 13325 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 345321492 is about 18582.8278795236. The cubic root of 345321492 is about 701.5756967113.

The spelling of 345321492 in words is "three hundred forty-five million, three hundred twenty-one thousand, four hundred ninety-two".