340977868 has 72 divisors (see below), whose sum is σ = 766175760. Its totient is φ = 131281920.

The previous prime is 340977851. The next prime is 340977877. The reversal of 340977868 is 868779043.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190996 + ... + 192772.

It is an arithmetic number, because the mean of its divisors is an integer number (10641330).

Almost surely, 2^340977868 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 340977868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383087880).

340977868 is an abundant number, since it is smaller than the sum of its proper divisors (425197892).

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

340977868 is a wasteful number, since it uses less digits than its factorization.

340977868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 340977868 is about 18465.5860453981. The cubic root of 340977868 is about 698.6216878607.

The spelling of 340977868 in words is "three hundred forty million, nine hundred seventy-seven thousand, eight hundred sixty-eight".