342896640 has 104 divisors (see below), whose sum is σ = 1097331888. Its totient is φ = 91422720.

The previous prime is 342896639. The next prime is 342896641. The reversal of 342896640 is 46698243.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (342896639) and next prime (342896641).

It is a junction number, because it is equal to n+sod(n) for n = 342896592 and 342896601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342896641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58650 + ... + 64230.

Almost surely, 2^342896640 is an apocalyptic number.

342896640 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 342896640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548665944).

342896640 is an abundant number, since it is smaller than the sum of its proper divisors (754435248).

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

342896640 is an equidigital number, since it uses as much as digits as its factorization.

342896640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 342896640 is about 18517.4685094912. The cubic root of 342896640 is about 699.9296800109.

The spelling of 342896640 in words is "three hundred forty-two million, eight hundred ninety-six thousand, six hundred forty".