34399998 has 32 divisors (see below), whose sum is σ = 77011200. Its totient is φ = 11381688.

The previous prime is 34399991. The next prime is 34399999. The reversal of 34399998 is 89999343.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 5215 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (2406600).

Almost surely, 2^34399998 is an apocalyptic number.

34399998 is an abundant number, since it is smaller than the sum of its proper divisors (42611202).

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

34399998 is a wasteful number, since it uses less digits than its factorization.

34399998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4727 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 34399998 is about 5865.1511489475. The cubic root of 34399998 is about 325.2266600330.

The spelling of 34399998 in words is "thirty-four million, three hundred ninety-nine thousand, nine hundred ninety-eight".