3906987252 has 96 divisors (see below), whose sum is σ = 11234657280. Its totient is φ = 1031719680.

The previous prime is 3906987251. The next prime is 3906987289. The reversal of 3906987252 is 2527896093.

It is a junction number, because it is equal to n+sod(n) for n = 3906987195 and 3906987204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906987251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35583 + ... + 95289.

It is an arithmetic number, because the mean of its divisors is an integer number (117027680).

Almost surely, 2^3906987252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3906987252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5617328640).

3906987252 is an abundant number, since it is smaller than the sum of its proper divisors (7327670028).

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

3906987252 is a wasteful number, since it uses less digits than its factorization.

3906987252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59781 (or 59779 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 3906987252 is about 62505.8977377335. The cubic root of 3906987252 is about 1575.0003865960. Note that the first 3 decimals are identical.

The spelling of 3906987252 in words is "three billion, nine hundred six million, nine hundred eighty-seven thousand, two hundred fifty-two".