346427155 has 8 divisors (see below), whose sum is σ = 417578112. Its totient is φ = 275898048.

The previous prime is 346427149. The next prime is 346427161. The reversal of 346427155 is 551724643.

It is an interprime number because it is at equal distance from previous prime (346427149) and next prime (346427161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346427155 - 2¹⁵ = 346394387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154234 + ... + 156463.

It is an arithmetic number, because the mean of its divisors is an integer number (52197264).

Almost surely, 2^346427155 is an apocalyptic number.

346427155 is a deficient number, since it is larger than the sum of its proper divisors (71150957).

346427155 is a wasteful number, since it uses less digits than its factorization.

346427155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310925.

The product of its digits is 100800, while the sum is 37.

The square root of 346427155 is about 18612.5536936767. The cubic root of 346427155 is about 702.3236758960.

The spelling of 346427155 in words is "three hundred forty-six million, four hundred twenty-seven thousand, one hundred fifty-five".