38920284 has 96 divisors (see below), whose sum is σ = 114464000. Its totient is φ = 11337408.

The previous prime is 38920253. The next prime is 38920307. The reversal of 38920284 is 48202983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25947 + ... + 27405.

Almost surely, 2^38920284 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 38920284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57232000).

38920284 is an abundant number, since it is smaller than the sum of its proper divisors (75543716).

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

38920284 is a wasteful number, since it uses less digits than its factorization.

38920284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38920284 is about 6238.6123457064. The cubic root of 38920284 is about 338.8899321576.

It can be divided in two parts, 38920 and 284, that added together give a square (39204 = 198²).

The spelling of 38920284 in words is "thirty-eight million, nine hundred twenty thousand, two hundred eighty-four".