3490521966 has 48 divisors (see below), whose sum is σ = 7615530000. Its totient is φ = 1155423744.

The previous prime is 3490521961. The next prime is 3490521967. The reversal of 3490521966 is 6691250943.

3490521966 is a `hidden beast` number, since 34 + 9 + 0 + 521 + 96 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490521961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2056030 + ... + 2057726.

It is an arithmetic number, because the mean of its divisors is an integer number (158656875).

Almost surely, 2^3490521966 is an apocalyptic number.

3490521966 is an abundant number, since it is smaller than the sum of its proper divisors (4125008034).

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

3490521966 is a wasteful number, since it uses less digits than its factorization.

3490521966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 3490521966 is about 59080.6395192198. The cubic root of 3490521966 is about 1516.9227282082.

The spelling of 3490521966 in words is "three billion, four hundred ninety million, five hundred twenty-one thousand, nine hundred sixty-six".