34240390 has 16 divisors (see below), whose sum is σ = 61815600. Its totient is φ = 13655520.

The previous prime is 34240319. The next prime is 34240391. The reversal of 34240390 is 9304243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (3863475).

Almost surely, 2^34240390 is an apocalyptic number.

34240390 is a deficient number, since it is larger than the sum of its proper divisors (27575210).

34240390 is a wasteful number, since it uses less digits than its factorization.

34240390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 34240390 is about 5851.5288600502. The cubic root of 34240390 is about 324.7228880474.

The spelling of 34240390 in words is "thirty-four million, two hundred forty thousand, three hundred ninety".