3552240 has 120 divisors (see below), whose sum is σ = 11905488. Its totient is φ = 875520.

The previous prime is 3552233. The next prime is 3552247. The reversal of 3552240 is 422553.

3552240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3552233) and next prime (3552247).

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3552247) 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, 86620 + ... + 86660.

Almost surely, 2^3552240 is an apocalyptic number.

3552240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5952744).

3552240 is an abundant number, since it is smaller than the sum of its proper divisors (8353248).

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

3552240 is a wasteful number, since it uses less digits than its factorization.

3552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3552240 is about 1884.7387086809. The cubic root of 3552240 is about 152.5811088737.

Adding to 3552240 its reverse (422553), we get a palindrome (3974793).

The spelling of 3552240 in words is "three million, five hundred fifty-two thousand, two hundred forty".