38420005 has 32 divisors (see below), whose sum is σ = 53544960. Its totient is φ = 26231040.

The previous prime is 38420003. The next prime is 38420059. The reversal of 38420005 is 50002483.

It is not a de Polignac number, because 38420005 - 2¹ = 38420003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38420003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45931 + ... + 46759.

It is an arithmetic number, because the mean of its divisors is an integer number (1673280).

Almost surely, 2^38420005 is an apocalyptic number.

It is an amenable number.

38420005 is a deficient number, since it is larger than the sum of its proper divisors (15124955).

38420005 is a wasteful number, since it uses less digits than its factorization.

38420005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 38420005 is about 6198.3872902554. The cubic root of 38420005 is about 337.4316423057.

Adding to 38420005 its reverse (50002483), we get a palindrome (88422488).

The spelling of 38420005 in words is "thirty-eight million, four hundred twenty thousand, five".