345671901 has 16 divisors (see below), whose sum is σ = 513966400. Its totient is φ = 229611024.

The previous prime is 345671891. The next prime is 345671903. The reversal of 345671901 is 109176543.

345671901 is a `hidden beast` number, since 3 + 4 + 567 + 1 + 90 + 1 = 666.

It is not a de Polignac number, because 345671901 - 2²² = 341477597 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 (345671903) 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, 15631 + ... + 30588.

It is an arithmetic number, because the mean of its divisors is an integer number (32122900).

Almost surely, 2^345671901 is an apocalyptic number.

It is an amenable number.

345671901 is a deficient number, since it is larger than the sum of its proper divisors (168294499).

345671901 is a wasteful number, since it uses less digits than its factorization.

345671901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46505 (or 46499 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 345671901 is about 18592.2537902213. The cubic root of 345671901 is about 701.8129204167.

It can be divided in two parts, 3456 and 71901, that added together give a palindrome (75357).

The spelling of 345671901 in words is "three hundred forty-five million, six hundred seventy-one thousand, nine hundred one".