3890866111 has 8 divisors (see below), whose sum is σ = 4248632448. Its totient is φ = 3533775000.

The previous prime is 3890866103. The next prime is 3890866121. The reversal of 3890866111 is 1116680983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3890866111 - 2³ = 3890866103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890866121) 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, 156715 + ... + 179836.

It is an arithmetic number, because the mean of its divisors is an integer number (531079056).

Almost surely, 2^3890866111 is an apocalyptic number.

3890866111 is a deficient number, since it is larger than the sum of its proper divisors (357766337).

3890866111 is a wasteful number, since it uses less digits than its factorization.

3890866111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337613.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 3890866111 is about 62376.8074768179. The cubic root of 3890866111 is about 1572.8311272037.

The spelling of 3890866111 in words is "three billion, eight hundred ninety million, eight hundred sixty-six thousand, one hundred eleven".