3490338947 has 4 divisors (see below), whose sum is σ = 3497038776. Its totient is φ = 3483639120.

The previous prime is 3490338923. The next prime is 3490338953. The reversal of 3490338947 is 7498330943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3490338947 - 2¹² = 3490334851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3490338895 and 3490338904.

It is not an unprimeable number, because it can be changed into a prime (3490338977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349133 + ... + 3350174.

It is an arithmetic number, because the mean of its divisors is an integer number (874259694).

Almost surely, 2^3490338947 is an apocalyptic number.

3490338947 is a deficient number, since it is larger than the sum of its proper divisors (6699829).

3490338947 is an equidigital number, since it uses as much as digits as its factorization.

3490338947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699828.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The square root of 3490338947 is about 59079.0906074222. The cubic root of 3490338947 is about 1516.8962154081.

The spelling of 3490338947 in words is "three billion, four hundred ninety million, three hundred thirty-eight thousand, nine hundred forty-seven".