342187398 has 48 divisors (see below), whose sum is σ = 863325216. Its totient is φ = 95921280.

The previous prime is 342187381. The next prime is 342187423. The reversal of 342187398 is 893781243.

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, 18943 + ... + 32298.

It is an arithmetic number, because the mean of its divisors is an integer number (17985942).

Almost surely, 2^342187398 is an apocalyptic number.

342187398 is an abundant number, since it is smaller than the sum of its proper divisors (521137818).

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

342187398 is a wasteful number, since it uses less digits than its factorization.

342187398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51309 (or 51306 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 342187398 is about 18498.3079766772. The cubic root of 342187398 is about 699.4467724093.

It can be divided in two parts, 34218 and 7398, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 342187398 in words is "three hundred forty-two million, one hundred eighty-seven thousand, three hundred ninety-eight".