346801378 has 16 divisors (see below), whose sum is σ = 648563904. Its totient is φ = 135117360.

The previous prime is 346801369. The next prime is 346801381. The reversal of 346801378 is 873108643.

It is a self number, because there is not a number n which added to its sum of digits gives 346801378.

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, 1125825 + ... + 1126132.

It is an arithmetic number, because the mean of its divisors is an integer number (40535244).

Almost surely, 2^346801378 is an apocalyptic number.

346801378 is a deficient number, since it is larger than the sum of its proper divisors (301762526).

346801378 is a wasteful number, since it uses less digits than its factorization.

346801378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251977.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 346801378 is about 18622.6039532607. The cubic root of 346801378 is about 702.5764766056.

The spelling of 346801378 in words is "three hundred forty-six million, eight hundred one thousand, three hundred seventy-eight".