3487040 has 56 divisors (see below), whose sum is σ = 8805672. Its totient is φ = 1310720.

The previous prime is 3487037. The next prime is 3487049. The reversal of 3487040 is 407843.

3487040 = T₃₄₄ + T₃₄₅ + ... + T₃₉₄.

It can be written as a sum of positive squares in 4 ways, for example, as 1459264 + 2027776 = 1208^2 + 1424^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120 + ... + 5760.

Almost surely, 2^3487040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4402836).

3487040 is an abundant number, since it is smaller than the sum of its proper divisors (5318632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3487040 is a wasteful number, since it uses less digits than its factorization.

3487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3487040 is about 1867.3617753397. The cubic root of 3487040 is about 151.6418158911.

The spelling of 3487040 in words is "three million, four hundred eighty-seven thousand, forty".