346639955 has 16 divisors (see below), whose sum is σ = 421956864. Its totient is φ = 273335520.

The previous prime is 346639919. The next prime is 346639991. The reversal of 346639955 is 559936643.

It is an interprime number because it is at equal distance from previous prime (346639919) and next prime (346639991).

It is a de Polignac number, because none of the positive numbers 2^k-346639955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267860 + ... + 269150.

It is an arithmetic number, because the mean of its divisors is an integer number (26372304).

Almost surely, 2^346639955 is an apocalyptic number.

346639955 is a deficient number, since it is larger than the sum of its proper divisors (75316909).

346639955 is a wasteful number, since it uses less digits than its factorization.

346639955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 2624400, while the sum is 50.

The square root of 346639955 is about 18618.2693878889. The cubic root of 346639955 is about 702.4674520450.

The spelling of 346639955 in words is "three hundred forty-six million, six hundred thirty-nine thousand, nine hundred fifty-five".