38820679 has 6 divisors (see below), whose sum is σ = 39368240. Its totient is φ = 38274600.

The previous prime is 38820611. The next prime is 38820689. The reversal of 38820679 is 97602883.

It is a de Polignac number, because none of the positive numbers 2^k-38820679 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 (38820689) 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, 55029 + ... + 55729.

Almost surely, 2^38820679 is an apocalyptic number.

38820679 is a deficient number, since it is larger than the sum of its proper divisors (547561).

38820679 is an frugal number, since it uses more digits than its factorization.

38820679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 38820679 is about 6230.6242865382. The cubic root of 38820679 is about 338.6005888755.

The spelling of 38820679 in words is "thirty-eight million, eight hundred twenty thousand, six hundred seventy-nine".