3962151890 has 24 divisors (see below), whose sum is σ = 7526997900. Its totient is φ = 1501445664.

The previous prime is 3962151887. The next prime is 3962151901. The reversal of 3962151890 is 981512693.

It is a happy number.

3962151890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3957542281 + 4609609 = 62909^2 + 2147^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545165 + ... + 552384.

Almost surely, 2^3962151890 is an apocalyptic number.

3962151890 is a deficient number, since it is larger than the sum of its proper divisors (3564846010).

3962151890 is a wasteful number, since it uses less digits than its factorization.

3962151890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097594 (or 1097575 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 3962151890 is about 62945.6264564902. The cubic root of 3962151890 is about 1582.3784998564.

The spelling of 3962151890 in words is "three billion, nine hundred sixty-two million, one hundred fifty-one thousand, eight hundred ninety".