99769438 has 8 divisors (see below), whose sum is σ = 152838432. Its totient is φ = 48823296.

The previous prime is 99769433. The next prime is 99769459. The reversal of 99769438 is 83496799.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99769433) 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, 530595 + ... + 530782.

It is an arithmetic number, because the mean of its divisors is an integer number (19104804).

Almost surely, 2^99769438 is an apocalyptic number.

99769438 is a deficient number, since it is larger than the sum of its proper divisors (53068994).

99769438 is a wasteful number, since it uses less digits than its factorization.

99769438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061426.

The product of its digits is 2939328, while the sum is 55.

The square root of 99769438 is about 9988.4652474742. The cubic root of 99769438 is about 463.8018841842.

The spelling of 99769438 in words is "ninety-nine million, seven hundred sixty-nine thousand, four hundred thirty-eight".