3487406 has 16 divisors (see below), whose sum is σ = 5688144. Its totient is φ = 1593984.

The previous prime is 3487403. The next prime is 3487427. The reversal of 3487406 is 6047843.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487403) 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 in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (355509).

Almost surely, 2^3487406 is an apocalyptic number.

3487406 is a deficient number, since it is larger than the sum of its proper divisors (2200738).

3487406 is a wasteful number, since it uses less digits than its factorization.

3487406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3487406 is about 1867.4597719897. The cubic root of 3487406 is about 151.6471211512.

The spelling of 3487406 in words is "three million, four hundred eighty-seven thousand, four hundred six".