34399990 has 8 divisors (see below), whose sum is σ = 61920000. Its totient is φ = 13759992.

The previous prime is 34399921. The next prime is 34399991. The reversal of 34399990 is 9999343.

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

It is a self number, because there is not a number n which added to its sum of digits gives 34399990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34399991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719990 + ... + 1720009.

It is an arithmetic number, because the mean of its divisors is an integer number (7740000).

Almost surely, 2^34399990 is an apocalyptic number.

34399990 is a deficient number, since it is larger than the sum of its proper divisors (27520010).

34399990 is a wasteful number, since it uses less digits than its factorization.

34399990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440006.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 34399990 is about 5865.1504669531. The cubic root of 34399990 is about 325.2266348216.

The spelling of 34399990 in words is "thirty-four million, three hundred ninety-nine thousand, nine hundred ninety".