3951285284 has 6 divisors (see below), whose sum is σ = 6914749254. Its totient is φ = 1975642640.

The previous prime is 3951285271. The next prime is 3951285311. The reversal of 3951285284 is 4825821593.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3872572900 + 78712384 = 62230^2 + 8872^2 .

It is a super-2 number, since 2×3951285284² = 31225310791109921312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493910657 + ... + 493910664.

It is an arithmetic number, because the mean of its divisors is an integer number (1152458209).

Almost surely, 2^3951285284 is an apocalyptic number.

It is an amenable number.

3951285284 is a deficient number, since it is larger than the sum of its proper divisors (2963463970).

3951285284 is a wasteful number, since it uses less digits than its factorization.

3951285284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987821325 (or 987821323 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 3951285284 is about 62859.2497887145. The cubic root of 3951285284 is about 1580.9305638247.

The spelling of 3951285284 in words is "three billion, nine hundred fifty-one million, two hundred eighty-five thousand, two hundred eighty-four".