3494861 has 2 divisors, whose sum is σ = 3494862. Its totient is φ = 3494860.

The previous prime is 3494857. The next prime is 3494863. The reversal of 3494861 is 1684943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 72361 = 1850^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 3494861 - 2² = 3494857 is a prime.

Together with 3494863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3494863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747430 + 1747431.

It is an arithmetic number, because the mean of its divisors is an integer number (1747431).

Almost surely, 2^3494861 is an apocalyptic number.

It is an amenable number.

3494861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494861 is an equidigital number, since it uses as much as digits as its factorization.

3494861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 3494861 is about 1869.4547333380. The cubic root of 3494861 is about 151.7551025247.

The spelling of 3494861 in words is "three million, four hundred ninety-four thousand, eight hundred sixty-one".