38321406 has 24 divisors (see below), whose sum is σ = 83270304. Its totient is φ = 12736800.

The previous prime is 38321401. The next prime is 38321407. The reversal of 38321406 is 60412383.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38321406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38321401) 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, 3706 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (3469596).

Almost surely, 2^38321406 is an apocalyptic number.

38321406 is an abundant number, since it is smaller than the sum of its proper divisors (44948898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38321406 is a wasteful number, since it uses less digits than its factorization.

38321406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176 (or 6173 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 38321406 is about 6190.4285796704. The cubic root of 38321406 is about 337.1427396513.

Adding to 38321406 its reverse (60412383), we get a palindrome (98733789).

The spelling of 38321406 in words is "thirty-eight million, three hundred twenty-one thousand, four hundred six".