340086738 has 48 divisors (see below), whose sum is σ = 729162720. Its totient is φ = 105452352.

The previous prime is 340086737. The next prime is 340086749. The reversal of 340086738 is 837680043.

It is a junction number, because it is equal to n+sod(n) for n = 340086696 and 340086705.

It is not an unprimeable number, because it can be changed into a prime (340086737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396406 + ... + 397262.

It is an arithmetic number, because the mean of its divisors is an integer number (15190890).

Almost surely, 2^340086738 is an apocalyptic number.

340086738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340086738 is an abundant number, since it is smaller than the sum of its proper divisors (389075982).

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

340086738 is a wasteful number, since it uses less digits than its factorization.

340086738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 340086738 is about 18441.4407788546. The cubic root of 340086738 is about 698.0125516690.

The spelling of 340086738 in words is "three hundred forty million, eighty-six thousand, seven hundred thirty-eight".