3494987 has 2 divisors, whose sum is σ = 3494988. Its totient is φ = 3494986.

The previous prime is 3494969. The next prime is 3494989. The reversal of 3494987 is 7894943.

3494987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3494987 - 2⁶ = 3494923 is a prime.

Together with 3494989, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3494989) 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 as a sum of consecutive naturals, namely, 1747493 + 1747494.

It is an arithmetic number, because the mean of its divisors is an integer number (1747494).

Almost surely, 2^3494987 is an apocalyptic number.

3494987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494987 is an equidigital number, since it uses as much as digits as its factorization.

3494987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 3494987 is about 1869.4884327002. The cubic root of 3494987 is about 151.7569262418.

Subtracting from 3494987 its sum of digits (44), we obtain a palindrome (3494943).

The spelling of 3494987 in words is "three million, four hundred ninety-four thousand, nine hundred eighty-seven".