38997854 has 12 divisors (see below), whose sum is σ = 66893544. Its totient is φ = 16703352.

The previous prime is 38997853. The next prime is 38997887. The reversal of 38997854 is 45879983.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38997796 and 38997805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38997853) 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, 22532 + ... + 24200.

It is an arithmetic number, because the mean of its divisors is an integer number (5574462).

Almost surely, 2^38997854 is an apocalyptic number.

38997854 is a deficient number, since it is larger than the sum of its proper divisors (27895690).

38997854 is an frugal number, since it uses more digits than its factorization.

38997854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 1678 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 38997854 is about 6244.8261785257. The cubic root of 38997854 is about 339.1149240679.

The spelling of 38997854 in words is "thirty-eight million, nine hundred ninety-seven thousand, eight hundred fifty-four".