869019738 has 8 divisors (see below), whose sum is σ = 1738039488. Its totient is φ = 289673244.

The previous prime is 869019733. The next prime is 869019769. The reversal of 869019738 is 837910968.

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

869019738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (869019733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72418306 + ... + 72418317.

It is an arithmetic number, because the mean of its divisors is an integer number (217254936).

Almost surely, 2^869019738 is an apocalyptic number.

869019738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869019738 is a wasteful number, since it uses less digits than its factorization.

869019738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144836628.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 869019738 is about 29479.1407269615. The cubic root of 869019738 is about 954.2815930557.

The spelling of 869019738 in words is "eight hundred sixty-nine million, nineteen thousand, seven hundred thirty-eight".