38441818 has 8 divisors (see below), whose sum is σ = 57761748. Its totient is φ = 19187904.

The previous prime is 38441813. The next prime is 38441827. The reversal of 38441818 is 81814483.

It can be written as a sum of positive squares in 2 ways, for example, as 35081929 + 3359889 = 5923^2 + 1833^2 .

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

It is a super-2 number, since 2×38441818² = 2955546742290248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38441813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15021 + ... + 17392.

Almost surely, 2^38441818 is an apocalyptic number.

38441818 is a deficient number, since it is larger than the sum of its proper divisors (19319930).

38441818 is a wasteful number, since it uses less digits than its factorization.

38441818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33008.

The product of its digits is 24576, while the sum is 37.

The square root of 38441818 is about 6200.1466111698. The cubic root of 38441818 is about 337.4954892859.

The spelling of 38441818 in words is "thirty-eight million, four hundred forty-one thousand, eight hundred eighteen".