349270887 has 8 divisors (see below), whose sum is σ = 532222336. Its totient is φ = 199583352.

The previous prime is 349270879. The next prime is 349270891. The reversal of 349270887 is 788072943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349270887 - 2³ = 349270879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349270877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315953 + ... + 8315994.

It is an arithmetic number, because the mean of its divisors is an integer number (66527792).

Almost surely, 2^349270887 is an apocalyptic number.

349270887 is a deficient number, since it is larger than the sum of its proper divisors (182951449).

349270887 is a wasteful number, since it uses less digits than its factorization.

349270887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16631957.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 349270887 is about 18688.7904102968. The cubic root of 349270887 is about 704.2401732788.

The spelling of 349270887 in words is "three hundred forty-nine million, two hundred seventy thousand, eight hundred eighty-seven".