34699840 has 84 divisors (see below), whose sum is σ = 96162876. Its totient is φ = 11891712.

The previous prime is 34699837. The next prime is 34699843. The reversal of 34699840 is 4899643.

It is an interprime number because it is at equal distance from previous prime (34699837) and next prime (34699843).

It can be written as a sum of positive squares in 2 ways, for example, as 26543104 + 8156736 = 5152^2 + 2856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34699843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14574 + ... + 16786.

Almost surely, 2^34699840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34699840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48081438).

34699840 is an abundant number, since it is smaller than the sum of its proper divisors (61463036).

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

34699840 is a wasteful number, since it uses less digits than its factorization.

34699840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 34699840 is about 5890.6570091969. The cubic root of 34699840 is about 326.1688562799.

The spelling of 34699840 in words is "thirty-four million, six hundred ninety-nine thousand, eight hundred forty".