340439825 has 12 divisors (see below), whose sum is σ = 460522608. Its totient is φ = 247592400.

The previous prime is 340439783. The next prime is 340439839. The reversal of 340439825 is 528934043.

It is not a de Polignac number, because 340439825 - 2¹² = 340435729 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618707 + ... + 619256.

It is an arithmetic number, because the mean of its divisors is an integer number (38376884).

Almost surely, 2^340439825 is an apocalyptic number.

It is an amenable number.

340439825 is a deficient number, since it is larger than the sum of its proper divisors (120082783).

340439825 is a wasteful number, since it uses less digits than its factorization.

340439825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237984 (or 1237979 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 340439825 is about 18451.0114898886. The cubic root of 340439825 is about 698.2540331168.

The spelling of 340439825 in words is "three hundred forty million, four hundred thirty-nine thousand, eight hundred twenty-five".