3406987 has 8 divisors (see below), whose sum is σ = 3643056. Its totient is φ = 3174912.

The previous prime is 3406981. The next prime is 3407003. The reversal of 3406987 is 7896043.

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

It is a cyclic number.

It is not a de Polignac number, because 3406987 - 2³ = 3406979 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (455382).

Almost surely, 2^3406987 is an apocalyptic number.

3406987 is a deficient number, since it is larger than the sum of its proper divisors (236069).

3406987 is a wasteful number, since it uses less digits than its factorization.

3406987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3406987 is about 1845.8025354842. The cubic root of 3406987 is about 150.4723922237.

The spelling of 3406987 in words is "three million, four hundred six thousand, nine hundred eighty-seven".