69891339 has 8 divisors (see below), whose sum is σ = 106501120. Its totient is φ = 39937896.

The previous prime is 69891331. The next prime is 69891343. The reversal of 69891339 is 93319896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69891339 - 2³ = 69891331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69891331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664059 + ... + 1664100.

It is an arithmetic number, because the mean of its divisors is an integer number (13312640).

Almost surely, 2^69891339 is an apocalyptic number.

69891339 is a deficient number, since it is larger than the sum of its proper divisors (36609781).

69891339 is a wasteful number, since it uses less digits than its factorization.

69891339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328169.

The product of its digits is 314928, while the sum is 48.

The square root of 69891339 is about 8360.1040065301. The cubic root of 69891339 is about 411.9151705044.

The spelling of 69891339 in words is "sixty-nine million, eight hundred ninety-one thousand, three hundred thirty-nine".