38887407 has 36 divisors (see below), whose sum is σ = 62558184. Its totient is φ = 23250240.

The previous prime is 38887391. The next prime is 38887427. The reversal of 38887407 is 70478883.

It is not a de Polignac number, because 38887407 - 2⁴ = 38887391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38887427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55932 + ... + 56622.

Almost surely, 2^38887407 is an apocalyptic number.

38887407 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38887407 is a deficient number, since it is larger than the sum of its proper divisors (23670777).

38887407 is a wasteful number, since it uses less digits than its factorization.

38887407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 38887407 is about 6235.9768280519. The cubic root of 38887407 is about 338.7944821604.

The spelling of 38887407 in words is "thirty-eight million, eight hundred eighty-seven thousand, four hundred seven".