3487651 has 4 divisors (see below), whose sum is σ = 3639312. Its totient is φ = 3335992.

The previous prime is 3487639. The next prime is 3487661. The reversal of 3487651 is 1567843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1567843 = 293 ⋅5351.

It is a cyclic number.

It is not a de Polignac number, because 3487651 - 2¹³ = 3479459 is a prime.

It is a Duffinian 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, 75796 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (909828).

Almost surely, 2^3487651 is an apocalyptic number.

3487651 is a deficient number, since it is larger than the sum of its proper divisors (151661).

3487651 is a wasteful number, since it uses less digits than its factorization.

3487651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151660.

The product of its digits is 20160, while the sum is 34.

The square root of 3487651 is about 1867.5253679669. The cubic root of 3487651 is about 151.6506722792.

The spelling of 3487651 in words is "three million, four hundred eighty-seven thousand, six hundred fifty-one".