346774378 has 8 divisors (see below), whose sum is σ = 523475172. Its totient is φ = 172282656.

The previous prime is 346774357. The next prime is 346774387. The reversal of 346774378 is 873477643.

It can be written as a sum of positive squares in 2 ways, for example, as 297114169 + 49660209 = 17237^2 + 7047^2 .

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

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551875 + ... + 552502.

Almost surely, 2^346774378 is an apocalyptic number.

346774378 is a deficient number, since it is larger than the sum of its proper divisors (176700794).

346774378 is a wasteful number, since it uses less digits than its factorization.

346774378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104536.

The product of its digits is 2370816, while the sum is 49.

The square root of 346774378 is about 18621.8790136764. The cubic root of 346774378 is about 702.5582432513.

The spelling of 346774378 in words is "three hundred forty-six million, seven hundred seventy-four thousand, three hundred seventy-eight".