38784735 has 72 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 17656320.

The previous prime is 38784671. The next prime is 38784737. The reversal of 38784735 is 53748783.

It is not a de Polignac number, because 38784735 - 2⁶ = 38784671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38784737) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 92356 + ... + 92774.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^38784735 is an apocalyptic number.

38784735 is an abundant number, since it is smaller than the sum of its proper divisors (39642705).

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

38784735 is a wasteful number, since it uses less digits than its factorization.

38784735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 455 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 38784735 is about 6227.7391563873. The cubic root of 38784735 is about 338.4960533712.

The spelling of 38784735 in words is "thirty-eight million, seven hundred eighty-four thousand, seven hundred thirty-five".