801950239 has 2 divisors, whose sum is σ = 801950240. Its totient is φ = 801950238.

The previous prime is 801950213. The next prime is 801950249. The reversal of 801950239 is 932059108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801950239 - 2⁷ = 801950111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801950198 and 801950207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801950249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400975119 + 400975120.

It is an arithmetic number, because the mean of its divisors is an integer number (400975120).

Almost surely, 2^801950239 is an apocalyptic number.

801950239 is a deficient number, since it is larger than the sum of its proper divisors (1).

801950239 is an equidigital number, since it uses as much as digits as its factorization.

801950239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 801950239 is about 28318.7259423866. The cubic root of 801950239 is about 929.0715051968.

The spelling of 801950239 in words is "eight hundred one million, nine hundred fifty thousand, two hundred thirty-nine".