38673531 has 40 divisors (see below), whose sum is σ = 65523920. Its totient is φ = 22534848.

The previous prime is 38673529. The next prime is 38673563. The reversal of 38673531 is 13537683.

It is not a de Polignac number, because 38673531 - 2¹ = 38673529 is a prime.

It is a super-2 number, since 2×38673531² = 2991284000015922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38673571) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19041 + ... + 20973.

It is an arithmetic number, because the mean of its divisors is an integer number (1638098).

Almost surely, 2^38673531 is an apocalyptic number.

38673531 is a deficient number, since it is larger than the sum of its proper divisors (26850389).

38673531 is a wasteful number, since it uses less digits than its factorization.

38673531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1968 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 38673531 is about 6218.8046279008. The cubic root of 38673531 is about 338.1722305365.

It can be divided in two parts, 38673 and 531, that added together give a square (39204 = 198²).

The spelling of 38673531 in words is "thirty-eight million, six hundred seventy-three thousand, five hundred thirty-one".