346228491 has 16 divisors (see below), whose sum is σ = 544606208. Its totient is φ = 191462400.

The previous prime is 346228483. The next prime is 346228501. The reversal of 346228491 is 194822643.

It is not a de Polignac number, because 346228491 - 2³ = 346228483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346228411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265270 + ... + 266571.

It is an arithmetic number, because the mean of its divisors is an integer number (34037888).

Almost surely, 2^346228491 is an apocalyptic number.

346228491 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

346228491 is a deficient number, since it is larger than the sum of its proper divisors (198377717).

346228491 is a wasteful number, since it uses less digits than its factorization.

346228491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531882.

The product of its digits is 82944, while the sum is 39.

The square root of 346228491 is about 18607.2161002123. The cubic root of 346228491 is about 702.1893974400.

The spelling of 346228491 in words is "three hundred forty-six million, two hundred twenty-eight thousand, four hundred ninety-one".