346740394 has 128 divisors (see below), whose sum is σ = 745242624. Its totient is φ = 116640000.

The previous prime is 346740389. The next prime is 346740413. The reversal of 346740394 is 493047643.

It is a super-3 number, since 3×346740394³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2296219 + ... + 2296369.

It is an arithmetic number, because the mean of its divisors is an integer number (5822208).

Almost surely, 2^346740394 is an apocalyptic number.

346740394 is an abundant number, since it is smaller than the sum of its proper divisors (398502230).

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

346740394 is a wasteful number, since it uses less digits than its factorization.

346740394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 346740394 is about 18620.9665162687. The cubic root of 346740394 is about 702.5352921906.

The spelling of 346740394 in words is "three hundred forty-six million, seven hundred forty thousand, three hundred ninety-four".