906990419 has 2 divisors, whose sum is σ = 906990420. Its totient is φ = 906990418.

The previous prime is 906990407. The next prime is 906990437. The reversal of 906990419 is 914099609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 906990419 - 2¹⁶ = 906924883 is a prime.

It is a super-2 number, since 2×906990419² = 1645263240315591122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (906993419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453495209 + 453495210.

It is an arithmetic number, because the mean of its divisors is an integer number (453495210).

Almost surely, 2^906990419 is an apocalyptic number.

906990419 is a deficient number, since it is larger than the sum of its proper divisors (1).

906990419 is an equidigital number, since it uses as much as digits as its factorization.

906990419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 906990419 is about 30116.2816263894. The cubic root of 906990419 is about 967.9826351386.

The spelling of 906990419 in words is "nine hundred six million, nine hundred ninety thousand, four hundred nineteen".