342446392 has 8 divisors (see below), whose sum is σ = 642087000. Its totient is φ = 171223192.

The previous prime is 342446339. The next prime is 342446399. The reversal of 342446392 is 293644243.

342446392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342446399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21402892 + ... + 21402907.

It is an arithmetic number, because the mean of its divisors is an integer number (80260875).

Almost surely, 2^342446392 is an apocalyptic number.

It is an amenable number.

342446392 is a deficient number, since it is larger than the sum of its proper divisors (299640608).

342446392 is a wasteful number, since it uses less digits than its factorization.

342446392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42805805 (or 42805801 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 342446392 is about 18505.3071306585. The cubic root of 342446392 is about 699.6231931213.

The spelling of 342446392 in words is "three hundred forty-two million, four hundred forty-six thousand, three hundred ninety-two".