345211992 has 48 divisors (see below), whose sum is σ = 954851040. Its totient is φ = 112621248.

The previous prime is 345211987. The next prime is 345212029. The reversal of 345211992 is 299112543.

345211992 is a `hidden beast` number, since 3 + 452 + 119 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47623 + ... + 54390.

It is an arithmetic number, because the mean of its divisors is an integer number (19892730).

Almost surely, 2^345211992 is an apocalyptic number.

It is an amenable number.

345211992 is an abundant number, since it is smaller than the sum of its proper divisors (609639048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345211992 is a wasteful number, since it uses less digits than its factorization.

345211992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102072 (or 102065 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 345211992 is about 18579.8813774470. The cubic root of 345211992 is about 701.5015332993.

The spelling of 345211992 in words is "three hundred forty-five million, two hundred eleven thousand, nine hundred ninety-two".