38949233 has 8 divisors (see below), whose sum is σ = 40365480. Its totient is φ = 37582608.

The previous prime is 38949217. The next prime is 38949257. The reversal of 38949233 is 33294983.

It can be written as a sum of positive squares in 4 ways, for example, as 595984 + 38353249 = 772^2 + 6193^2 .

It is not a de Polignac number, because 38949233 - 2⁴ = 38949217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38949203) 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 7 ways as a sum of consecutive naturals, for example, 23591 + ... + 25187.

It is an arithmetic number, because the mean of its divisors is an integer number (5045685).

Almost surely, 2^38949233 is an apocalyptic number.

It is an amenable number.

38949233 is a deficient number, since it is larger than the sum of its proper divisors (1416247).

38949233 is an frugal number, since it uses more digits than its factorization.

38949233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1626 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 38949233 is about 6240.9320617997. The cubic root of 38949233 is about 338.9739337139.

The spelling of 38949233 in words is "thirty-eight million, nine hundred forty-nine thousand, two hundred thirty-three".