38699456 has 42 divisors (see below), whose sum is σ = 79644240. Its totient is φ = 18656512.

The previous prime is 38699443. The next prime is 38699459. The reversal of 38699456 is 65499683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38699459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53465 + ... + 54183.

Almost surely, 2^38699456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38699456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39822120).

38699456 is an abundant number, since it is smaller than the sum of its proper divisors (40944784).

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

38699456 is an equidigital number, since it uses as much as digits as its factorization.

38699456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 750 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 38699456 is about 6220.8886824955. Note that the first 3 decimals coincide. The cubic root of 38699456 is about 338.2477788211.

The spelling of 38699456 in words is "thirty-eight million, six hundred ninety-nine thousand, four hundred fifty-six".