3654456 has 96 divisors (see below), whose sum is σ = 10672560. Its totient is φ = 1038336.

The previous prime is 3654451. The next prime is 3654457. The reversal of 3654456 is 6544563.

3654456 is a nontrivial binomial coefficient, being equal to C(2704, 2).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68926 + ... + 68978.

Almost surely, 2^3654456 is an apocalyptic number.

3654456 is the 2703-rd triangular number and also the 1352-nd hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5336280).

3654456 is an abundant number, since it is smaller than the sum of its proper divisors (7018104).

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

3654456 is a wasteful number, since it uses less digits than its factorization.

3654456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 88 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 3654456 is about 1911.6631502438. The cubic root of 3654456 is about 154.0308028563.

The spelling of 3654456 in words is "three million, six hundred fifty-four thousand, four hundred fifty-six".