38478416 has 20 divisors (see below), whose sum is σ = 74653332. Its totient is φ = 19213056.

The previous prime is 38478403. The next prime is 38478457. The reversal of 38478416 is 61487483.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 36240400 = 1496^2 + 6020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16796 + ... + 18948.

Almost surely, 2^38478416 is an apocalyptic number.

It is an amenable number.

38478416 is a deficient number, since it is larger than the sum of its proper divisors (36174916).

38478416 is a wasteful number, since it uses less digits than its factorization.

38478416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 3272 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 38478416 is about 6203.0972908701. The cubic root of 38478416 is about 337.6025579495.

The spelling of 38478416 in words is "thirty-eight million, four hundred seventy-eight thousand, four hundred sixteen".