346161901 has 4 divisors (see below), whose sum is σ = 346568572. Its totient is φ = 345755232.

The previous prime is 346161887. The next prime is 346161917. The reversal of 346161901 is 109161643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109161643 = 181 ⋅603103.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 327248100 = 4349^2 + 18090^2 .

It is a cyclic number.

It is not a de Polignac number, because 346161901 - 2⁷ = 346161773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346161941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202056 + ... + 203761.

It is an arithmetic number, because the mean of its divisors is an integer number (86642143).

Almost surely, 2^346161901 is an apocalyptic number.

It is an amenable number.

346161901 is a deficient number, since it is larger than the sum of its proper divisors (406671).

346161901 is an equidigital number, since it uses as much as digits as its factorization.

346161901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406670.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 346161901 is about 18605.4266546081. The cubic root of 346161901 is about 702.1443772763.

The spelling of 346161901 in words is "three hundred forty-six million, one hundred sixty-one thousand, nine hundred one".