38637045 has 24 divisors (see below), whose sum is σ = 67641912. Its totient is φ = 20400000.

The previous prime is 38637043. The next prime is 38637059. The reversal of 38637045 is 54073683.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5008644 + 33628401 = 2238^2 + 5799^2 .

It is not a de Polignac number, because 38637045 - 2¹ = 38637043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38637043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (2818413).

Almost surely, 2^38637045 is an apocalyptic number.

It is an amenable number.

38637045 is a deficient number, since it is larger than the sum of its proper divisors (29004867).

38637045 is a wasteful number, since it uses less digits than its factorization.

38637045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613 (or 8610 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 38637045 is about 6215.8704137072. The cubic root of 38637045 is about 338.0658491267.

The spelling of 38637045 in words is "thirty-eight million, six hundred thirty-seven thousand, forty-five".