344490081 has 16 divisors (see below), whose sum is σ = 502039104. Its totient is φ = 208828224.

The previous prime is 344490079. The next prime is 344490109. The reversal of 344490081 is 180094443.

It is a happy number.

It is not a de Polignac number, because 344490081 - 2¹ = 344490079 is a prime.

It is a super-2 number, since 2×344490081² = 237346831814773122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344490061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63306 + ... + 68531.

It is an arithmetic number, because the mean of its divisors is an integer number (31377444).

Almost surely, 2^344490081 is an apocalyptic number.

It is an amenable number.

344490081 is a deficient number, since it is larger than the sum of its proper divisors (157549023).

344490081 is a wasteful number, since it uses less digits than its factorization.

344490081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131920.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 344490081 is about 18560.4439871464. The cubic root of 344490081 is about 701.0121962085.

The spelling of 344490081 in words is "three hundred forty-four million, four hundred ninety thousand, eighty-one".