345490211 has 12 divisors (see below), whose sum is σ = 381016272. Its totient is φ = 313038000.

The previous prime is 345490207. The next prime is 345490219. The reversal of 345490211 is 112094543.

It is not a de Polignac number, because 345490211 - 2² = 345490207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345490219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33041 + ... + 42221.

It is an arithmetic number, because the mean of its divisors is an integer number (31751356).

Almost surely, 2^345490211 is an apocalyptic number.

345490211 is a deficient number, since it is larger than the sum of its proper divisors (35526061).

345490211 is a wasteful number, since it uses less digits than its factorization.

345490211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514 (or 9503 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 345490211 is about 18587.3669732967. The cubic root of 345490211 is about 701.6899379619.

The spelling of 345490211 in words is "three hundred forty-five million, four hundred ninety thousand, two hundred eleven".