344814690 has 32 divisors (see below), whose sum is σ = 902788416. Its totient is φ = 83591360.

The previous prime is 344814677. The next prime is 344814713. The reversal of 344814690 is 96418443.

It is a happy number.

It is a super-2 number, since 2×344814690² = 237794340879592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522117 + ... + 522776.

It is an arithmetic number, because the mean of its divisors is an integer number (28212138).

Almost surely, 2^344814690 is an apocalyptic number.

344814690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344814690 is an abundant number, since it is smaller than the sum of its proper divisors (557973726).

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

344814690 is a wasteful number, since it uses less digits than its factorization.

344814690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044914.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 344814690 is about 18569.1865734609. The cubic root of 344814690 is about 701.2323123007.

The spelling of 344814690 in words is "three hundred forty-four million, eight hundred fourteen thousand, six hundred ninety".