340399844 has 24 divisors (see below), whose sum is σ = 609493248. Its totient is φ = 166302080.

The previous prime is 340399831. The next prime is 340399847. The reversal of 340399844 is 448993043.

It is a junction number, because it is equal to n+sod(n) for n = 340399795 and 340399804.

It is not an unprimeable number, because it can be changed into a prime (340399847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26789 + ... + 37395.

It is an arithmetic number, because the mean of its divisors is an integer number (25395552).

Almost surely, 2^340399844 is an apocalyptic number.

It is an amenable number.

340399844 is a deficient number, since it is larger than the sum of its proper divisors (269093404).

340399844 is a wasteful number, since it uses less digits than its factorization.

340399844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795 (or 10793 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 340399844 is about 18449.9280215398. The cubic root of 340399844 is about 698.2266979018.

The spelling of 340399844 in words is "three hundred forty million, three hundred ninety-nine thousand, eight hundred forty-four".