340244890 has 16 divisors (see below), whose sum is σ = 613065960. Its totient is φ = 135959040.

The previous prime is 340244887. The next prime is 340244893. The reversal of 340244890 is 98442043.

It is an interprime number because it is at equal distance from previous prime (340244887) and next prime (340244893).

It can be written as a sum of positive squares in 4 ways, for example, as 137381841 + 202863049 = 11721^2 + 14243^2 .

It is a super-2 number, since 2×340244890² = 231533170342224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340244893) 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, 6771 + ... + 26950.

Almost surely, 2^340244890 is an apocalyptic number.

340244890 is a deficient number, since it is larger than the sum of its proper divisors (272821070).

340244890 is a wasteful number, since it uses less digits than its factorization.

340244890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34737.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 340244890 is about 18445.7282317614. The cubic root of 340244890 is about 698.1207348285.

The spelling of 340244890 in words is "three hundred forty million, two hundred forty-four thousand, eight hundred ninety".