349442190 has 24 divisors (see below), whose sum is σ = 908549928. Its totient is φ = 93184560.

The previous prime is 349442173. The next prime is 349442239. The reversal of 349442190 is 91244943.

It is a super-2 number, since 2×349442190² = 244219688303992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941256 + ... + 1941435.

It is an arithmetic number, because the mean of its divisors is an integer number (37856247).

Almost surely, 2^349442190 is an apocalyptic number.

349442190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349442190 is an abundant number, since it is smaller than the sum of its proper divisors (559107738).

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

349442190 is a wasteful number, since it uses less digits than its factorization.

349442190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882704 (or 3882701 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 349442190 is about 18693.3728898773. The cubic root of 349442190 is about 704.3552880713.

The spelling of 349442190 in words is "three hundred forty-nine million, four hundred forty-two thousand, one hundred ninety".