349293396 has 24 divisors (see below), whose sum is σ = 822233664. Its totient is φ = 115400320.

The previous prime is 349293379. The next prime is 349293403. The reversal of 349293396 is 693392943.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127440 + ... + 130151.

It is an arithmetic number, because the mean of its divisors is an integer number (34259736).

Almost surely, 2^349293396 is an apocalyptic number.

It is an amenable number.

349293396 is an abundant number, since it is smaller than the sum of its proper divisors (472940268).

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

349293396 is a wasteful number, since it uses less digits than its factorization.

349293396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257711 (or 257709 counting only the distinct ones).

The product of its digits is 944784, while the sum is 48.

The square root of 349293396 is about 18689.3926065028. The cubic root of 349293396 is about 704.2553013662.

It can be divided in two parts, 349293 and 396, that multiplied together give a triangular number (138320028 = T₁₆₆₃₂).

The spelling of 349293396 in words is "three hundred forty-nine million, two hundred ninety-three thousand, three hundred ninety-six".