69849989 has 8 divisors (see below), whose sum is σ = 76334400. Its totient is φ = 63388000.

The previous prime is 69849973. The next prime is 69850021. The reversal of 69849989 is 98994896.

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

It is a cyclic number.

It is not a de Polignac number, because 69849989 - 2⁴ = 69849973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69849089) 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, 1289 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (9541800).

Almost surely, 2^69849989 is an apocalyptic number.

It is an amenable number.

69849989 is a deficient number, since it is larger than the sum of its proper divisors (6484411).

69849989 is a wasteful number, since it uses less digits than its factorization.

69849989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211.

The product of its digits is 10077696, while the sum is 62.

The square root of 69849989 is about 8357.6305852795. The cubic root of 69849989 is about 411.8339203205.

It can be divided in two parts, 69 and 849989, that added together give a palindrome (850058).

The spelling of 69849989 in words is "sixty-nine million, eight hundred forty-nine thousand, nine hundred eighty-nine".