38436340 has 24 divisors (see below), whose sum is σ = 82899432. Its totient is φ = 14958720.

The previous prime is 38436313. The next prime is 38436353. The reversal of 38436340 is 4363483.

It can be written as a sum of positive squares in 4 ways, for example, as 2292196 + 36144144 = 1514^2 + 6012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25231 + ... + 26710.

It is an arithmetic number, because the mean of its divisors is an integer number (3454143).

Almost surely, 2^38436340 is an apocalyptic number.

It is an amenable number.

38436340 is an abundant number, since it is smaller than the sum of its proper divisors (44463092).

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

38436340 is a wasteful number, since it uses less digits than its factorization.

38436340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51987 (or 51985 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 38436340 is about 6199.7048316835. The cubic root of 38436340 is about 337.4794573688.

The spelling of 38436340 in words is "thirty-eight million, four hundred thirty-six thousand, three hundred forty".