342397446 has 16 divisors (see below), whose sum is σ = 684992064. Its totient is φ = 114099624.

The previous prime is 342397427. The next prime is 342397469. The reversal of 342397446 is 644793243.

It is a happy number.

It is a super-2 number, since 2×342397446² = 234472022054645832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342397398 and 342397407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24201 + ... + 35643.

It is an arithmetic number, because the mean of its divisors is an integer number (42812004).

Almost surely, 2^342397446 is an apocalyptic number.

342397446 is an abundant number, since it is smaller than the sum of its proper divisors (342594618).

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

342397446 is a wasteful number, since it uses less digits than its factorization.

342397446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435.

The product of its digits is 435456, while the sum is 42.

The square root of 342397446 is about 18503.9845979184. The cubic root of 342397446 is about 699.5898590587.

The spelling of 342397446 in words is "three hundred forty-two million, three hundred ninety-seven thousand, four hundred forty-six".