38987030 has 16 divisors (see below), whose sum is σ = 70251840. Its totient is φ = 15578112.

The previous prime is 38986999. The next prime is 38987051. The reversal of 38987030 is 3078983.

It is an alternating number because its digits alternate between odd and even.

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, 12707 + ... + 15473.

It is an arithmetic number, because the mean of its divisors is an integer number (4390740).

Almost surely, 2^38987030 is an apocalyptic number.

38987030 is a deficient number, since it is larger than the sum of its proper divisors (31264810).

38987030 is a wasteful number, since it uses less digits than its factorization.

38987030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 38987030 is about 6243.9594809704. The cubic root of 38987030 is about 339.0835469603.

The spelling of 38987030 in words is "thirty-eight million, nine hundred eighty-seven thousand, thirty".