3487641 has 4 divisors (see below), whose sum is σ = 4650192. Its totient is φ = 2325092.

The previous prime is 3487639. The next prime is 3487661. The reversal of 3487641 is 1467843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3487641 - 2¹ = 3487639 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3487661) 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, 581271 + ... + 581276.

It is an arithmetic number, because the mean of its divisors is an integer number (1162548).

Almost surely, 2^3487641 is an apocalyptic number.

It is an amenable number.

3487641 is a deficient number, since it is larger than the sum of its proper divisors (1162551).

3487641 is a wasteful number, since it uses less digits than its factorization.

3487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162550.

The product of its digits is 16128, while the sum is 33.

The square root of 3487641 is about 1867.5226906252. The cubic root of 3487641 is about 151.6505273384.

The spelling of 3487641 in words is "three million, four hundred eighty-seven thousand, six hundred forty-one".