342491328 has 70 divisors (see below), whose sum is σ = 1015266956. Its totient is φ = 114162048.

The previous prime is 342491323. The next prime is 342491341. The reversal of 342491328 is 823194243.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 342491292 and 342491301.

It is not an unprimeable number, because it can be changed into a prime (342491323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27850 + ... + 38217.

Almost surely, 2^342491328 is an apocalyptic number.

It is an amenable number.

342491328 is an abundant number, since it is smaller than the sum of its proper divisors (672775628).

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

342491328 is an equidigital number, since it uses as much as digits as its factorization.

342491328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66091 (or 66072 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 342491328 is about 18506.5212290155. The cubic root of 342491328 is about 699.6537934269.

The spelling of 342491328 in words is "three hundred forty-two million, four hundred ninety-one thousand, three hundred twenty-eight".