3487745 has 8 divisors (see below), whose sum is σ = 4223016. Its totient is φ = 2765056.

The previous prime is 3487709. The next prime is 3487751. The reversal of 3487745 is 5477843.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 3073009 = 644^2 + 1753^2 .

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 3487745 - 2⁸ = 3487489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3487699 and 3487708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (527877).

It is a Proth number, since it is equal to 1703 ⋅ 2¹¹ + 1 and 1703 < 2¹¹.

Almost surely, 2^3487745 is an apocalyptic number.

It is an amenable number.

3487745 is a deficient number, since it is larger than the sum of its proper divisors (735271).

3487745 is a wasteful number, since it uses less digits than its factorization.

3487745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291.

The product of its digits is 94080, while the sum is 38.

The square root of 3487745 is about 1867.5505347915. The cubic root of 3487745 is about 151.6520347086.

The spelling of 3487745 in words is "three million, four hundred eighty-seven thousand, seven hundred forty-five".