340394501 has 2 divisors, whose sum is σ = 340394502. Its totient is φ = 340394500.

The previous prime is 340394479. The next prime is 340394507. The reversal of 340394501 is 105493043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340365601 + 28900 = 18449^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 340394501 - 2²² = 336200197 is a prime.

It is a super-2 number, since 2×340394501² = 231736832622078002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340394507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170197250 + 170197251.

It is an arithmetic number, because the mean of its divisors is an integer number (170197251).

Almost surely, 2^340394501 is an apocalyptic number.

It is an amenable number.

340394501 is a deficient number, since it is larger than the sum of its proper divisors (1).

340394501 is an equidigital number, since it uses as much as digits as its factorization.

340394501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 340394501 is about 18449.7832236588. The cubic root of 340394501 is about 698.2230447031.

The spelling of 340394501 in words is "three hundred forty million, three hundred ninety-four thousand, five hundred one".