344984981 has 8 divisors (see below), whose sum is σ = 392710464. Its totient is φ = 299986720.

The previous prime is 344984923. The next prime is 344984987. The reversal of 344984981 is 189489443.

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

It is not a de Polignac number, because 344984981 - 2⁶ = 344984917 is a prime.

It is a super-2 number, since 2×344984981² = 238029274231140722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344984987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 681536 + ... + 682041.

It is an arithmetic number, because the mean of its divisors is an integer number (49088808).

Almost surely, 2^344984981 is an apocalyptic number.

It is an amenable number.

344984981 is a deficient number, since it is larger than the sum of its proper divisors (47725483).

344984981 is a wasteful number, since it uses less digits than its factorization.

344984981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363611.

The product of its digits is 995328, while the sum is 50.

The square root of 344984981 is about 18573.7713187172. The cubic root of 344984981 is about 701.3477307197.

The spelling of 344984981 in words is "three hundred forty-four million, nine hundred eighty-four thousand, nine hundred eighty-one".