34639404 has 48 divisors (see below), whose sum is σ = 86028768. Its totient is φ = 10810368.

The previous prime is 34639393. The next prime is 34639433. The reversal of 34639404 is 40493643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56202 + ... + 56814.

It is an arithmetic number, because the mean of its divisors is an integer number (1792266).

Almost surely, 2^34639404 is an apocalyptic number.

34639404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34639404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43014384).

34639404 is an abundant number, since it is smaller than the sum of its proper divisors (51389364).

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

34639404 is a wasteful number, since it uses less digits than its factorization.

34639404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 34639404 is about 5885.5249553460. The cubic root of 34639404 is about 325.9793857014.

The spelling of 34639404 in words is "thirty-four million, six hundred thirty-nine thousand, four hundred four".