38405116 has 6 divisors (see below), whose sum is σ = 67208960. Its totient is φ = 19202556.

The previous prime is 38405093. The next prime is 38405119. The reversal of 38405116 is 61150483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38405119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4800636 + ... + 4800643.

Almost surely, 2^38405116 is an apocalyptic number.

It is an amenable number.

38405116 is a deficient number, since it is larger than the sum of its proper divisors (28803844).

38405116 is a wasteful number, since it uses less digits than its factorization.

38405116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601283 (or 9601281 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 38405116 is about 6197.1861356587. The cubic root of 38405116 is about 337.3880480995.

Adding to 38405116 its reverse (61150483), we get a palindrome (99555599).

The spelling of 38405116 in words is "thirty-eight million, four hundred five thousand, one hundred sixteen".