38041645 has 8 divisors (see below), whose sum is σ = 46763640. Its totient is φ = 29690880.

The previous prime is 38041589. The next prime is 38041691. The reversal of 38041645 is 54614083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 37785609 = 506^2 + 6147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38041645 - 2¹¹ = 38039597 is a prime.

It is a super-3 number, since 3×38041645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 92580 + ... + 92989.

It is an arithmetic number, because the mean of its divisors is an integer number (5845455).

Almost surely, 2^38041645 is an apocalyptic number.

It is an amenable number.

38041645 is a deficient number, since it is larger than the sum of its proper divisors (8721995).

38041645 is a wasteful number, since it uses less digits than its factorization.

38041645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185615.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 38041645 is about 6167.7909335515. The cubic root of 38041645 is about 336.3203111628.

It can be divided in two parts, 380 and 41645, that added together give a square (42025 = 205²).

The spelling of 38041645 in words is "thirty-eight million, forty-one thousand, six hundred forty-five".