38284340 has 24 divisors (see below), whose sum is σ = 85127112. Its totient is φ = 14412800.

The previous prime is 38284327. The next prime is 38284343. The reversal of 38284340 is 4348283.

It can be written as a sum of positive squares in 4 ways, for example, as 10679824 + 27604516 = 3268^2 + 5254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38284297 and 38284306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38284343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55961 + ... + 56640.

It is an arithmetic number, because the mean of its divisors is an integer number (3546963).

Almost surely, 2^38284340 is an apocalyptic number.

It is an amenable number.

38284340 is an abundant number, since it is smaller than the sum of its proper divisors (46842772).

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

38284340 is a wasteful number, since it uses less digits than its factorization.

38284340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112627 (or 112625 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 38284340 is about 6187.4340400525. The cubic root of 38284340 is about 337.0340052622.

The spelling of 38284340 in words is "thirty-eight million, two hundred eighty-four thousand, three hundred forty".