38405433 has 16 divisors (see below), whose sum is σ = 55968192. Its totient is φ = 23232000.

The previous prime is 38405333. The next prime is 38405447. The reversal of 38405433 is 33450483.

It is not a de Polignac number, because 38405433 - 2⁸ = 38405177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38405433.

It is not an unprimeable number, because it can be changed into a prime (38405453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28413 + ... + 29733.

It is an arithmetic number, because the mean of its divisors is an integer number (3498012).

Almost surely, 2^38405433 is an apocalyptic number.

38405433 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38405433 is a deficient number, since it is larger than the sum of its proper divisors (17562759).

38405433 is a wasteful number, since it uses less digits than its factorization.

38405433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 38405433 is about 6197.2117117297. The cubic root of 38405433 is about 337.3889763762.

The spelling of 38405433 in words is "thirty-eight million, four hundred five thousand, four hundred thirty-three".