34648440 has 64 divisors (see below), whose sum is σ = 104608800. Its totient is φ = 9180672.

The previous prime is 34648423. The next prime is 34648441. The reversal of 34648440 is 4484643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34648441) 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, 19926 + ... + 21594.

Almost surely, 2^34648440 is an apocalyptic number.

34648440 is a gapful number since it is divisible by the number (30) 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 34648440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52304400).

34648440 is an abundant number, since it is smaller than the sum of its proper divisors (69960360).

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

34648440 is a wasteful number, since it uses less digits than its factorization.

34648440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 34648440 is about 5886.2925513433. The cubic root of 34648440 is about 326.0077281217.

The spelling of 34648440 in words is "thirty-four million, six hundred forty-eight thousand, four hundred forty".