890413807 has 2 divisors, whose sum is σ = 890413808. Its totient is φ = 890413806.

The previous prime is 890413787. The next prime is 890413817. The reversal of 890413807 is 708314098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 890413807 - 2¹⁹ = 889889519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890413807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890413817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445206903 + 445206904.

It is an arithmetic number, because the mean of its divisors is an integer number (445206904).

Almost surely, 2^890413807 is an apocalyptic number.

890413807 is a deficient number, since it is larger than the sum of its proper divisors (1).

890413807 is an equidigital number, since it uses as much as digits as its factorization.

890413807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 890413807 is about 29839.8023954583. The cubic root of 890413807 is about 962.0492275441.

The spelling of 890413807 in words is "eight hundred ninety million, four hundred thirteen thousand, eight hundred seven".