3490320287 has 12 divisors (see below), whose sum is σ = 3615528888. Its totient is φ = 3369315600.

The previous prime is 3490320241. The next prime is 3490320313. The reversal of 3490320287 is 7820230943.

It is a happy number.

It is not a de Polignac number, because 3490320287 - 2¹² = 3490316191 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3490320287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490320227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400268 + ... + 408894.

It is an arithmetic number, because the mean of its divisors is an integer number (301294074).

Almost surely, 2^3490320287 is an apocalyptic number.

3490320287 is a deficient number, since it is larger than the sum of its proper divisors (125208601).

3490320287 is an equidigital number, since it uses as much as digits as its factorization.

3490320287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110 (or 9079 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3490320287 is about 59078.9326833178. The cubic root of 3490320287 is about 1516.8935122004.

The spelling of 3490320287 in words is "three billion, four hundred ninety million, three hundred twenty thousand, two hundred eighty-seven".