340309012 has 12 divisors (see below), whose sum is σ = 621434016. Its totient is φ = 162756440.

The previous prime is 340308977. The next prime is 340309117. The reversal of 340309012 is 210903043.

It is a super-2 number, since 2×340309012² = 231620447296832288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849414 + ... + 1849597.

It is an arithmetic number, because the mean of its divisors is an integer number (51786168).

Almost surely, 2^340309012 is an apocalyptic number.

It is an amenable number.

340309012 is a deficient number, since it is larger than the sum of its proper divisors (281125004).

340309012 is a wasteful number, since it uses less digits than its factorization.

340309012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699038 (or 3699036 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 340309012 is about 18447.4662758873. The cubic root of 340309012 is about 698.1645876409.

The spelling of 340309012 in words is "three hundred forty million, three hundred nine thousand, twelve".