3470987 has 4 divisors (see below), whose sum is σ = 3738000. Its totient is φ = 3203976.

The previous prime is 3470983. The next prime is 3470993. The reversal of 3470987 is 7890743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7890743 = 7 ⋅1127249.

It is a cyclic number.

It is not a de Polignac number, because 3470987 - 2² = 3470983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3470987.

It is not an unprimeable number, because it can be changed into a prime (3470983) 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 3 ways as a sum of consecutive naturals, for example, 133487 + ... + 133512.

It is an arithmetic number, because the mean of its divisors is an integer number (934500).

Almost surely, 2^3470987 is an apocalyptic number.

3470987 is a deficient number, since it is larger than the sum of its proper divisors (267013).

3470987 is a wasteful number, since it uses less digits than its factorization.

3470987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267012.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 3470987 is about 1863.0585068645. The cubic root of 3470987 is about 151.4087575577.

The spelling of 3470987 in words is "three million, four hundred seventy thousand, nine hundred eighty-seven".