38287704 has 128 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 9856512.

The previous prime is 38287699. The next prime is 38287721. The reversal of 38287704 is 40778283.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102462 + ... + 102834.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^38287704 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 38287704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60318720).

38287704 is an abundant number, since it is smaller than the sum of its proper divisors (82349736).

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

38287704 is a wasteful number, since it uses less digits than its factorization.

38287704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 38287704 is about 6187.7058753629. The cubic root of 38287704 is about 337.0438765672.

The spelling of 38287704 in words is "thirty-eight million, two hundred eighty-seven thousand, seven hundred four".