34388400 has 60 divisors (see below), whose sum is σ = 110161352. Its totient is φ = 9169920.

The previous prime is 34388383. The next prime is 34388401. The reversal of 34388400 is 488343.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34388401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13129 + ... + 15528.

Almost surely, 2^34388400 is an apocalyptic number.

34388400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34388400 is an abundant number, since it is smaller than the sum of its proper divisors (75772952).

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

34388400 is a wasteful number, since it uses less digits than its factorization.

34388400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28678 (or 28667 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 34388400 is about 5864.1623442739. The cubic root of 34388400 is about 325.1901057403.

The spelling of 34388400 in words is "thirty-four million, three hundred eighty-eight thousand, four hundred".