38431033 has 4 divisors (see below), whose sum is σ = 40691700. Its totient is φ = 36170368.

The previous prime is 38431031. The next prime is 38431039. The reversal of 38431033 is 33013483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33013483 = 149 ⋅221567.

It can be written as a sum of positive squares in 2 ways, for example, as 30769209 + 7661824 = 5547^2 + 2768^2 .

It is a cyclic number.

It is not a de Polignac number, because 38431033 - 2¹ = 38431031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38430989 and 38431007.

It is not an unprimeable number, because it can be changed into a prime (38431031) 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, 1130308 + ... + 1130341.

It is an arithmetic number, because the mean of its divisors is an integer number (10172925).

Almost surely, 2^38431033 is an apocalyptic number.

It is an amenable number.

38431033 is a deficient number, since it is larger than the sum of its proper divisors (2260667).

38431033 is a wasteful number, since it uses less digits than its factorization.

38431033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260666.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 38431033 is about 6199.2768126613. The cubic root of 38431033 is about 337.4639244476.

The spelling of 38431033 in words is "thirty-eight million, four hundred thirty-one thousand, thirty-three".