38998512 has 90 divisors (see below), whose sum is σ = 126983688. Its totient is φ = 11140416.

The previous prime is 38998511. The next prime is 38998537. The reversal of 38998512 is 21589983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38998511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4293 + ... + 9819.

Almost surely, 2^38998512 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 38998512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63491844).

38998512 is an abundant number, since it is smaller than the sum of its proper divisors (87985176).

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

38998512 is a wasteful number, since it uses less digits than its factorization.

38998512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555 (or 5539 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38998512 is about 6244.8788619156. The cubic root of 38998512 is about 339.1168313212.

The spelling of 38998512 in words is "thirty-eight million, nine hundred ninety-eight thousand, five hundred twelve".