3463840 has 24 divisors (see below), whose sum is σ = 8183700. Its totient is φ = 1385472.

The previous prime is 3463819. The next prime is 3463843. The reversal of 3463840 is 483643.

It can be written as a sum of positive squares in 2 ways, for example, as 3400336 + 63504 = 1844^2 + 252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3463799 and 3463808.

It is not an unprimeable number, because it can be changed into a prime (3463843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665 + ... + 10984.

Almost surely, 2^3463840 is an apocalyptic number.

It is an amenable number.

3463840 is an abundant number, since it is smaller than the sum of its proper divisors (4719860).

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

3463840 is a wasteful number, since it uses less digits than its factorization.

3463840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664 (or 21656 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3463840 is about 1861.1394359370. The cubic root of 3463840 is about 151.3047658152.

It can be divided in two parts, 346 and 3840, that added together give a triangular number (4186 = T₉₁).

The spelling of 3463840 in words is "three million, four hundred sixty-three thousand, eight hundred forty".