344940090 has 32 divisors (see below), whose sum is σ = 903116736. Its totient is φ = 83621760.

The previous prime is 344940061. The next prime is 344940091. The reversal of 344940090 is 90049443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (344940091) 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, 522307 + ... + 522966.

It is an arithmetic number, because the mean of its divisors is an integer number (28222398).

Almost surely, 2^344940090 is an apocalyptic number.

344940090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344940090 is an abundant number, since it is smaller than the sum of its proper divisors (558176646).

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

344940090 is a wasteful number, since it uses less digits than its factorization.

344940090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045294.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 344940090 is about 18572.5628279998. The cubic root of 344940090 is about 701.3173085580.

The spelling of 344940090 in words is "three hundred forty-four million, nine hundred forty thousand, ninety".