345846021 has 8 divisors (see below), whose sum is σ = 464182464. Its totient is φ = 229036800.

The previous prime is 345846001. The next prime is 345846043. The reversal of 345846021 is 120648543.

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

It is not a de Polignac number, because 345846021 - 2⁵ = 345845989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345846001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381276 + ... + 382181.

It is an arithmetic number, because the mean of its divisors is an integer number (58022808).

Almost surely, 2^345846021 is an apocalyptic number.

It is an amenable number.

345846021 is a deficient number, since it is larger than the sum of its proper divisors (118336443).

345846021 is a wasteful number, since it uses less digits than its factorization.

345846021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763611.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 345846021 is about 18596.9357959853. The cubic root of 345846021 is about 701.9307384528.

The spelling of 345846021 in words is "three hundred forty-five million, eight hundred forty-six thousand, twenty-one".