3487605 has 32 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 1615680.

The previous prime is 3487597. The next prime is 3487607. The reversal of 3487605 is 5067843.

It is not a de Polignac number, because 3487605 - 2³ = 3487597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

3487605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3336 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (198720).

Almost surely, 2^3487605 is an apocalyptic number.

It is an amenable number.

3487605 is a deficient number, since it is larger than the sum of its proper divisors (2871435).

3487605 is a wasteful number, since it uses less digits than its factorization.

3487605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3487605 is about 1867.5130521632. The cubic root of 3487605 is about 151.6500055495.

The spelling of 3487605 in words is "three million, four hundred eighty-seven thousand, six hundred five".