3491006 has 8 divisors (see below), whose sum is σ = 5308464. Its totient is φ = 1721520.

The previous prime is 3490973. The next prime is 3491011. The reversal of 3491006 is 6001943.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11810 + ... + 12101.

It is an arithmetic number, because the mean of its divisors is an integer number (663558).

Almost surely, 2^3491006 is an apocalyptic number.

3491006 is a deficient number, since it is larger than the sum of its proper divisors (1817458).

3491006 is a wasteful number, since it uses less digits than its factorization.

3491006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23986.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3491006 is about 1868.4233995538. The cubic root of 3491006 is about 151.6992842673.

Adding to 3491006 its reverse (6001943), we get a palindrome (9492949).

The spelling of 3491006 in words is "three million, four hundred ninety-one thousand, six".