38783436 has 12 divisors (see below), whose sum is σ = 90494712. Its totient is φ = 12927808.

The previous prime is 38783431. The next prime is 38783471. The reversal of 38783436 is 63438783.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38783431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615965 + ... + 1615988.

It is an arithmetic number, because the mean of its divisors is an integer number (7541226).

Almost surely, 2^38783436 is an apocalyptic number.

It is an amenable number.

38783436 is an abundant number, since it is smaller than the sum of its proper divisors (51711276).

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

38783436 is a wasteful number, since it uses less digits than its factorization.

38783436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231960 (or 3231958 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 38783436 is about 6227.6348640555. The cubic root of 38783436 is about 338.4922742961.

The spelling of 38783436 in words is "thirty-eight million, seven hundred eighty-three thousand, four hundred thirty-six".