38997894 has 16 divisors (see below), whose sum is σ = 83995632. Its totient is φ = 11999328.

The previous prime is 38997887. The next prime is 38997901. The reversal of 38997894 is 49879983.

38997894 = 1726² + 1727² + ... + 1738².

It is an interprime number because it is at equal distance from previous prime (38997887) and next prime (38997901).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249909 + ... + 250064.

It is an arithmetic number, because the mean of its divisors is an integer number (5249727).

Almost surely, 2^38997894 is an apocalyptic number.

38997894 is an abundant number, since it is smaller than the sum of its proper divisors (44997738).

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

38997894 is a wasteful number, since it uses less digits than its factorization.

38997894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499991.

The product of its digits is 3919104, while the sum is 57.

The square root of 38997894 is about 6244.8293811761. The cubic root of 38997894 is about 339.1150400109.

The spelling of 38997894 in words is "thirty-eight million, nine hundred ninety-seven thousand, eight hundred ninety-four".