38283939 has 12 divisors (see below), whose sum is σ = 55356600. Its totient is φ = 25496064.

The previous prime is 38283929. The next prime is 38283943. The reversal of 38283939 is 93938283.

It is not a de Polignac number, because 38283939 - 2⁵ = 38283907 is a prime.

It is a super-3 number, since 3×38283939³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38283894 and 38283903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38283919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11172 + ... + 14190.

It is an arithmetic number, because the mean of its divisors is an integer number (4613050).

Almost surely, 2^38283939 is an apocalyptic number.

38283939 is a deficient number, since it is larger than the sum of its proper divisors (17072661).

38283939 is a wasteful number, since it uses less digits than its factorization.

38283939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434 (or 4431 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 38283939 is about 6187.4016355818. The cubic root of 38283939 is about 337.0328285313.

The spelling of 38283939 in words is "thirty-eight million, two hundred eighty-three thousand, nine hundred thirty-nine".