3890547212 has 24 divisors (see below), whose sum is σ = 6850085760. Its totient is φ = 1933414400.

The previous prime is 3890547211. The next prime is 3890547233. The reversal of 3890547212 is 2127450983.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3890547212.

It is not an unprimeable number, because it can be changed into a prime (3890547211) 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, 488462 + ... + 496362.

It is an arithmetic number, because the mean of its divisors is an integer number (285420240).

Almost surely, 2^3890547212 is an apocalyptic number.

It is an amenable number.

3890547212 is a deficient number, since it is larger than the sum of its proper divisors (2959538548).

3890547212 is a wasteful number, since it uses less digits than its factorization.

3890547212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641 (or 8639 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3890547212 is about 62374.2511939021. The cubic root of 3890547212 is about 1572.7881557964.

The spelling of 3890547212 in words is "three billion, eight hundred ninety million, five hundred forty-seven thousand, two hundred twelve".