38628837 has 36 divisors (see below), whose sum is σ = 61235460. Its totient is φ = 23452416.

The previous prime is 38628829. The next prime is 38628857. The reversal of 38628837 is 73882683.

It can be written as a sum of positive squares in 6 ways, for example, as 7257636 + 31371201 = 2694^2 + 5601^2 .

It is not a de Polignac number, because 38628837 - 2³ = 38628829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38628792 and 38628801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38628857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165673 + ... + 165905.

It is an arithmetic number, because the mean of its divisors is an integer number (1700985).

Almost surely, 2^38628837 is an apocalyptic number.

It is an amenable number.

38628837 is a deficient number, since it is larger than the sum of its proper divisors (22606623).

38628837 is a wasteful number, since it uses less digits than its factorization.

38628837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 358 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 38628837 is about 6215.2101332135. The cubic root of 38628837 is about 338.0419080187.

The spelling of 38628837 in words is "thirty-eight million, six hundred twenty-eight thousand, eight hundred thirty-seven".