349298378 has 32 divisors (see below), whose sum is σ = 642321792. Its totient is φ = 140184000.

The previous prime is 349298363. The next prime is 349298381. The reversal of 349298378 is 873892943.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19973 + ... + 33128.

It is an arithmetic number, because the mean of its divisors is an integer number (20072556).

Almost surely, 2^349298378 is an apocalyptic number.

349298378 is a deficient number, since it is larger than the sum of its proper divisors (293023414).

349298378 is a wasteful number, since it uses less digits than its factorization.

349298378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53150.

The product of its digits is 2612736, while the sum is 53.

The square root of 349298378 is about 18689.5258901878. The cubic root of 349298378 is about 704.2586496338.

The spelling of 349298378 in words is "three hundred forty-nine million, two hundred ninety-eight thousand, three hundred seventy-eight".