3490887 has 4 divisors (see below), whose sum is σ = 4654520. Its totient is φ = 2327256.

The previous prime is 3490873. The next prime is 3490891. The reversal of 3490887 is 7880943.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3490887 - 2¹¹ = 3488839 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581812 + ... + 581817.

It is an arithmetic number, because the mean of its divisors is an integer number (1163630).

Almost surely, 2^3490887 is an apocalyptic number.

3490887 is a deficient number, since it is larger than the sum of its proper divisors (1163633).

3490887 is a wasteful number, since it uses less digits than its factorization.

3490887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163632.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3490887 is about 1868.3915542519. The cubic root of 3490887 is about 151.6975605598.

The spelling of 3490887 in words is "three million, four hundred ninety thousand, eight hundred eighty-seven".