349794642 has 8 divisors (see below), whose sum is σ = 699589296. Its totient is φ = 116598212.

The previous prime is 349794631. The next prime is 349794661. The reversal of 349794642 is 246497943.

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

349794642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 349794591 and 349794600.

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, 29149548 + ... + 29149559.

It is an arithmetic number, because the mean of its divisors is an integer number (87448662).

Almost surely, 2^349794642 is an apocalyptic number.

349794642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

349794642 is a wasteful number, since it uses less digits than its factorization.

349794642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58299112.

The product of its digits is 1306368, while the sum is 48.

The square root of 349794642 is about 18702.7977051563. The cubic root of 349794642 is about 704.5920158435.

It can be divided in two parts, 34979 and 4642, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 349794642 in words is "three hundred forty-nine million, seven hundred ninety-four thousand, six hundred forty-two".