38420312 has 24 divisors (see below), whose sum is σ = 83800260. Its totient is φ = 16465680.

The previous prime is 38420311. The next prime is 38420341. The reversal of 38420312 is 21302483.

38420312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38420312² = 2952240748354688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38420311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48614 + ... + 49397.

Almost surely, 2^38420312 is an apocalyptic number.

It is an amenable number.

38420312 is an abundant number, since it is smaller than the sum of its proper divisors (45379948).

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

38420312 is a wasteful number, since it uses less digits than its factorization.

38420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98031 (or 98020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 38420312 is about 6198.4120547121. The cubic root of 38420312 is about 337.4325410669.

Adding to 38420312 its reverse (21302483), we get a palindrome (59722795).

The spelling of 38420312 in words is "thirty-eight million, four hundred twenty thousand, three hundred twelve".