349262859 has 16 divisors (see below), whose sum is σ = 508362624. Its totient is φ = 211531200.

The previous prime is 349262857. The next prime is 349262861. The reversal of 349262859 is 958262943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349262857) and next prime (349262861).

It is not a de Polignac number, because 349262859 - 2¹ = 349262857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349262857) 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, 66199 + ... + 71279.

It is an arithmetic number, because the mean of its divisors is an integer number (31772664).

Almost surely, 2^349262859 is an apocalyptic number.

349262859 is a deficient number, since it is larger than the sum of its proper divisors (159099765).

349262859 is a wasteful number, since it uses less digits than its factorization.

349262859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178.

The product of its digits is 933120, while the sum is 48.

The square root of 349262859 is about 18688.5756279070. The cubic root of 349262859 is about 704.2347775782.

It can be divided in two parts, 3492 and 62859, that multiplied together give a triangular number (219503628 = T₂₀₉₅₂).

The spelling of 349262859 in words is "three hundred forty-nine million, two hundred sixty-two thousand, eight hundred fifty-nine".