89376439 has 2 divisors, whose sum is σ = 89376440. Its totient is φ = 89376438.

The previous prime is 89376421. The next prime is 89376467. The reversal of 89376439 is 93467398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89376439 - 2⁹ = 89375927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89376392 and 89376401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89376409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44688219 + 44688220.

It is an arithmetic number, because the mean of its divisors is an integer number (44688220).

Almost surely, 2^89376439 is an apocalyptic number.

89376439 is a deficient number, since it is larger than the sum of its proper divisors (1).

89376439 is an equidigital number, since it uses as much as digits as its factorization.

89376439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 89376439 is about 9453.9113069671. The cubic root of 89376439 is about 447.1031013688.

It can be divided in two parts, 8937 and 6439, that added together give a square (15376 = 124²).

The spelling of 89376439 in words is "eighty-nine million, three hundred seventy-six thousand, four hundred thirty-nine".