38426403 has 4 divisors (see below), whose sum is σ = 51235208. Its totient is φ = 25617600.

The previous prime is 38426369. The next prime is 38426447. The reversal of 38426403 is 30462483.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38426403 - 2¹⁰ = 38425379 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (38426473) 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, 6404398 + ... + 6404403.

It is an arithmetic number, because the mean of its divisors is an integer number (12808802).

Almost surely, 2^38426403 is an apocalyptic number.

38426403 is a deficient number, since it is larger than the sum of its proper divisors (12808805).

38426403 is a wasteful number, since it uses less digits than its factorization.

38426403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12808804.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 38426403 is about 6198.9033707584. The cubic root of 38426403 is about 337.4503718522.

Adding to 38426403 its reverse (30462483), we get a palindrome (68888886).

The spelling of 38426403 in words is "thirty-eight million, four hundred twenty-six thousand, four hundred three".