345963312 has 50 divisors (see below), whose sum is σ = 1001321948. Its totient is φ = 115320672.

The previous prime is 345963281. The next prime is 345963313. The reversal of 345963312 is 213369543.

It is a happy number.

345963312 is a `hidden beast` number, since 3 + 4 + 5 + 9 + 633 + 12 = 666.

It is a super-2 number, since 2×345963312² = 239381226500018688, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (345963313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 132178 + ... + 134769.

Almost surely, 2^345963312 is an apocalyptic number.

It is an amenable number.

345963312 is an abundant number, since it is smaller than the sum of its proper divisors (655358636).

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

345963312 is a wasteful number, since it uses less digits than its factorization.

345963312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266967 (or 266952 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 345963312 is about 18600.0890320450. The cubic root of 345963312 is about 702.0100809422.

The spelling of 345963312 in words is "three hundred forty-five million, nine hundred sixty-three thousand, three hundred twelve".