38351620 has 12 divisors (see below), whose sum is σ = 80538444. Its totient is φ = 15340640.

The previous prime is 38351597. The next prime is 38351639. The reversal of 38351620 is 2615383.

It can be written as a sum of positive squares in 2 ways, for example, as 19289664 + 19061956 = 4392^2 + 4366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958771 + ... + 958810.

It is an arithmetic number, because the mean of its divisors is an integer number (6711537).

Almost surely, 2^38351620 is an apocalyptic number.

It is an amenable number.

38351620 is an abundant number, since it is smaller than the sum of its proper divisors (42186824).

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

38351620 is a wasteful number, since it uses less digits than its factorization.

38351620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917590 (or 1917588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 38351620 is about 6192.8684791460. The cubic root of 38351620 is about 337.2313216028.

It can be divided in two parts, 383 and 51620, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 38351620 in words is "thirty-eight million, three hundred fifty-one thousand, six hundred twenty".