342497880 has 96 divisors (see below), whose sum is σ = 1115674560. Its totient is φ = 91123200.

The previous prime is 342497879. The next prime is 342497921. The reversal of 342497880 is 88794243.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215569 + ... + 217151.

It is an arithmetic number, because the mean of its divisors is an integer number (11621610).

Almost surely, 2^342497880 is an apocalyptic number.

342497880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342497880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557837280).

342497880 is an abundant number, since it is smaller than the sum of its proper divisors (773176680).

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

342497880 is a wasteful number, since it uses less digits than its factorization.

342497880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 342497880 is about 18506.6982468511. The cubic root of 342497880 is about 699.6582549535.

The spelling of 342497880 in words is "three hundred forty-two million, four hundred ninety-seven thousand, eight hundred eighty".