7869923 has 2 divisors, whose sum is σ = 7869924. Its totient is φ = 7869922.

The previous prime is 7869919. The next prime is 7869931. The reversal of 7869923 is 3299687.

It is a weak prime.

It is an emirp because it is prime and its reverse (3299687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7869923 - 2² = 7869919 is a prime.

It is not a weakly prime, because it can be changed into another prime (7869023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934961 + 3934962.

It is an arithmetic number, because the mean of its divisors is an integer number (3934962).

Almost surely, 2^7869923 is an apocalyptic number.

7869923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7869923 is an equidigital number, since it uses as much as digits as its factorization.

7869923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 7869923 is about 2805.3383040197. The cubic root of 7869923 is about 198.9100963391.

The spelling of 7869923 in words is "seven million, eight hundred sixty-nine thousand, nine hundred twenty-three".