345363447 has 32 divisors (see below), whose sum is σ = 543223296. Its totient is φ = 192412800.

The previous prime is 345363433. The next prime is 345363463. The reversal of 345363447 is 744363543.

It is not a de Polignac number, because 345363447 - 2²⁴ = 328586231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345363497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111297 + ... + 114357.

It is an arithmetic number, because the mean of its divisors is an integer number (16975728).

Almost surely, 2^345363447 is an apocalyptic number.

345363447 is a deficient number, since it is larger than the sum of its proper divisors (197859849).

345363447 is a wasteful number, since it uses less digits than its factorization.

345363447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its digits is 362880, while the sum is 39.

The square root of 345363447 is about 18583.9567100228. The cubic root of 345363447 is about 701.6041083191.

The spelling of 345363447 in words is "three hundred forty-five million, three hundred sixty-three thousand, four hundred forty-seven".