38003780 has 12 divisors (see below), whose sum is σ = 79807980. Its totient is φ = 15201504.

The previous prime is 38003767. The next prime is 38003803. The reversal of 38003780 is 8730083.

It can be written as a sum of positive squares in 2 ways, for example, as 22448644 + 15555136 = 4738^2 + 3944^2 .

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, 950075 + ... + 950114.

It is an arithmetic number, because the mean of its divisors is an integer number (6650665).

Almost surely, 2^38003780 is an apocalyptic number.

It is an amenable number.

38003780 is an abundant number, since it is smaller than the sum of its proper divisors (41804200).

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

38003780 is a wasteful number, since it uses less digits than its factorization.

38003780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900198 (or 1900196 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 38003780 is about 6164.7205938307. The cubic root of 38003780 is about 336.2086879130.

It can be divided in two parts, 38003 and 780, that added together give a palindrome (38783).

The spelling of 38003780 in words is "thirty-eight million, three thousand, seven hundred eighty".