38918016 has 64 divisors (see below), whose sum is σ = 114872400. Its totient is φ = 12971520.

The previous prime is 38918003. The next prime is 38918017. The reversal of 38918016 is 61081983.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×38918016² = 3029223938752512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38918017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175 + ... + 9086.

Almost surely, 2^38918016 is an apocalyptic number.

38918016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38918016 is an abundant number, since it is smaller than the sum of its proper divisors (75954384).

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

38918016 is a wasteful number, since it uses less digits than its factorization.

38918016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 38918016 is about 6238.4305718666. The cubic root of 38918016 is about 338.8833493237.

Adding to 38918016 its reverse (61081983), we get a palindrome (99999999).

The spelling of 38918016 in words is "thirty-eight million, nine hundred eighteen thousand, sixteen".