3401887 has 8 divisors (see below), whose sum is σ = 3640896. Its totient is φ = 3167232.

The previous prime is 3401869. The next prime is 3401899. The reversal of 3401887 is 7881043.

It is a happy number.

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 3401887 - 2⁷ = 3401759 is a prime.

It is an Ulam 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 (3401807) 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, 618 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (455112).

Almost surely, 2^3401887 is an apocalyptic number.

3401887 is a deficient number, since it is larger than the sum of its proper divisors (239009).

3401887 is a wasteful number, since it uses less digits than its factorization.

3401887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3401887 is about 1844.4205051994. The cubic root of 3401887 is about 150.3972728257.

The spelling of 3401887 in words is "three million, four hundred one thousand, eight hundred eighty-seven".