3490939 has 2 divisors, whose sum is σ = 3490940. Its totient is φ = 3490938.

The previous prime is 3490937. The next prime is 3490957. The reversal of 3490939 is 9390943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3490939 - 2¹ = 3490937 is a prime.

Together with 3490937, it forms a pair of twin primes.

3490939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3490898 and 3490907.

It is not a weakly prime, because it can be changed into another prime (3490937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745469 + 1745470.

It is an arithmetic number, because the mean of its divisors is an integer number (1745470).

Almost surely, 2^3490939 is an apocalyptic number.

3490939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3490939 is an equidigital number, since it uses as much as digits as its factorization.

3490939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3490939 is about 1868.4054699128. The cubic root of 3490939 is about 151.6983137813.

The spelling of 3490939 in words is "three million, four hundred ninety thousand, nine hundred thirty-nine".