340630957 has 2 divisors, whose sum is σ = 340630958. Its totient is φ = 340630956.

The previous prime is 340630951. The next prime is 340630963. The reversal of 340630957 is 759036043.

It is a balanced prime because it is at equal distance from previous prime (340630951) and next prime (340630963).

It can be written as a sum of positive squares in only one way, i.e., 197852356 + 142778601 = 14066^2 + 11949^2 .

It is a cyclic number.

It is not a de Polignac number, because 340630957 - 2¹¹ = 340628909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340630951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170315478 + 170315479.

It is an arithmetic number, because the mean of its divisors is an integer number (170315479).

Almost surely, 2^340630957 is an apocalyptic number.

It is an amenable number.

340630957 is a deficient number, since it is larger than the sum of its proper divisors (1).

340630957 is an equidigital number, since it uses as much as digits as its factorization.

340630957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 340630957 is about 18456.1902081659. The cubic root of 340630957 is about 698.3846814841.

The spelling of 340630957 in words is "three hundred forty million, six hundred thirty thousand, nine hundred fifty-seven".