38438045 has 16 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 29016000.

The previous prime is 38438041. The next prime is 38438053. The reversal of 38438045 is 54083483.

It is a happy number.

It is not a de Polignac number, because 38438045 - 2² = 38438041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38437996 and 38438014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38438041) 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 15 ways as a sum of consecutive naturals, for example, 28895 + ... + 30195.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^38438045 is an apocalyptic number.

It is an amenable number.

38438045 is a deficient number, since it is larger than the sum of its proper divisors (10308835).

38438045 is a wasteful number, since it uses less digits than its factorization.

38438045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 38438045 is about 6199.8423367050. The cubic root of 38438045 is about 337.4844473857.

The spelling of 38438045 in words is "thirty-eight million, four hundred thirty-eight thousand, forty-five".