3969990362 has 8 divisors (see below), whose sum is σ = 6413061396. Its totient is φ = 1832303232.

The previous prime is 3969990341. The next prime is 3969990379. The reversal of 3969990362 is 2630999693.

It can be written as a sum of positive squares in 2 ways, for example, as 3427985401 + 542004961 = 58549^2 + 23281^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3969990298 and 3969990307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76345943 + ... + 76345994.

Almost surely, 2^3969990362 is an apocalyptic number.

3969990362 is a deficient number, since it is larger than the sum of its proper divisors (2443071034).

3969990362 is a wasteful number, since it uses less digits than its factorization.

3969990362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152691952.

The product of its (nonzero) digits is 4251528, while the sum is 56.

The square root of 3969990362 is about 63007.8595256179. The cubic root of 3969990362 is about 1583.4213051718.

The spelling of 3969990362 in words is "three billion, nine hundred sixty-nine million, nine hundred ninety thousand, three hundred sixty-two".