344249642 has 16 divisors (see below), whose sum is σ = 565468992. Its totient is φ = 155879520.

The previous prime is 344249623. The next prime is 344249651. The reversal of 344249642 is 246942443.

It is a junction number, because it is equal to n+sod(n) for n = 344249596 and 344249605.

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, 23963 + ... + 35534.

It is an arithmetic number, because the mean of its divisors is an integer number (35341812).

Almost surely, 2^344249642 is an apocalyptic number.

344249642 is a deficient number, since it is larger than the sum of its proper divisors (221219350).

344249642 is a wasteful number, since it uses less digits than its factorization.

344249642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59773.

The product of its digits is 165888, while the sum is 38.

The square root of 344249642 is about 18553.9656677488. The cubic root of 344249642 is about 700.8490663057.

The spelling of 344249642 in words is "three hundred forty-four million, two hundred forty-nine thousand, six hundred forty-two".