3490638 has 8 divisors (see below), whose sum is σ = 6981288. Its totient is φ = 1163544.

The previous prime is 3490609. The next prime is 3490639. The reversal of 3490638 is 8360943.

3490638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3490638 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3490599 and 3490608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490639) 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, 290881 + ... + 290892.

It is an arithmetic number, because the mean of its divisors is an integer number (872661).

Almost surely, 2^3490638 is an apocalyptic number.

3490638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3490638 is a wasteful number, since it uses less digits than its factorization.

3490638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581778.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3490638 is about 1868.3249182088. The cubic root of 3490638 is about 151.6939536837.

The spelling of 3490638 in words is "three million, four hundred ninety thousand, six hundred thirty-eight".