344074390 has 96 divisors (see below), whose sum is σ = 739458720. Its totient is φ = 114723840.

The previous prime is 344074387. The next prime is 344074391. The reversal of 344074390 is 93470443.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344074391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 884316 + ... + 884704.

It is an arithmetic number, because the mean of its divisors is an integer number (7702695).

Almost surely, 2^344074390 is an apocalyptic number.

344074390 is an abundant number, since it is smaller than the sum of its proper divisors (395384330).

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

344074390 is a wasteful number, since it uses less digits than its factorization.

344074390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 344074390 is about 18549.2423025848. The cubic root of 344074390 is about 700.7301157591.

The spelling of 344074390 in words is "three hundred forty-four million, seventy-four thousand, three hundred ninety".