689394141 has 24 divisors (see below), whose sum is σ = 1007997120. Its totient is φ = 453986496.

The previous prime is 689394113. The next prime is 689394143. The reversal of 689394141 is 141493986.

It is not a de Polignac number, because 689394141 - 2⁶ = 689394077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689394143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526810 + ... + 528116.

It is an arithmetic number, because the mean of its divisors is an integer number (41999880).

Almost surely, 2^689394141 is an apocalyptic number.

It is an amenable number.

689394141 is a deficient number, since it is larger than the sum of its proper divisors (318602979).

689394141 is a wasteful number, since it uses less digits than its factorization.

689394141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1982 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 689394141 is about 26256.3162115328. The cubic root of 689394141 is about 883.3968833200.

The spelling of 689394141 in words is "six hundred eighty-nine million, three hundred ninety-four thousand, one hundred forty-one".