3554240 has 56 divisors (see below), whose sum is σ = 8778240. Its totient is φ = 1369088.

The previous prime is 3554237. The next prime is 3554263. The reversal of 3554240 is 424553.

3554240 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9089 + ... + 9471.

Almost surely, 2^3554240 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 3554240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389120).

3554240 is an abundant number, since it is smaller than the sum of its proper divisors (5224000).

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

3554240 is a wasteful number, since it uses less digits than its factorization.

3554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3554240 is about 1885.2692115451. The cubic root of 3554240 is about 152.6097391619.

Adding to 3554240 its reverse (424553), we get a palindrome (3978793).

The spelling of 3554240 in words is "three million, five hundred fifty-four thousand, two hundred forty".