345286887 has 16 divisors (see below), whose sum is σ = 504439680. Its totient is φ = 208346400.

The previous prime is 345286873. The next prime is 345286927. The reversal of 345286887 is 788682543.

It is a happy number.

It is not a de Polignac number, because 345286887 - 2⁷ = 345286759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345286187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15289 + ... + 30402.

It is an arithmetic number, because the mean of its divisors is an integer number (31527480).

Almost surely, 2^345286887 is an apocalyptic number.

345286887 is a deficient number, since it is larger than the sum of its proper divisors (159152793).

345286887 is a wasteful number, since it uses less digits than its factorization.

345286887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45934.

The product of its digits is 2580480, while the sum is 51.

The square root of 345286887 is about 18581.8967546373. The cubic root of 345286887 is about 701.5522607358.

The spelling of 345286887 in words is "three hundred forty-five million, two hundred eighty-six thousand, eight hundred eighty-seven".