3490427 has 2 divisors, whose sum is σ = 3490428. Its totient is φ = 3490426.

The previous prime is 3490393. The next prime is 3490441. The reversal of 3490427 is 7240943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3490427 - 2⁶ = 3490363 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3490427.

It is not a weakly prime, because it can be changed into another prime (3490127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745213 + 1745214.

It is an arithmetic number, because the mean of its divisors is an integer number (1745214).

Almost surely, 2^3490427 is an apocalyptic number.

3490427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3490427 is an equidigital number, since it uses as much as digits as its factorization.

3490427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3490427 is about 1868.2684496613. The cubic root of 3490427 is about 151.6908971203.

The spelling of 3490427 in words is "three million, four hundred ninety thousand, four hundred twenty-seven".