3553420 has 48 divisors (see below), whose sum is σ = 8184960. Its totient is φ = 1287936.

The previous prime is 3553411. The next prime is 3553423. The reversal of 3553420 is 243553.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3553391 and 3553400.

It is not an unprimeable number, because it can be changed into a prime (3553423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20454 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (170520).

Almost surely, 2^3553420 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 3553420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4092480).

3553420 is an abundant number, since it is smaller than the sum of its proper divisors (4631540).

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

3553420 is a wasteful number, since it uses less digits than its factorization.

3553420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3553420 is about 1885.0517234283. The cubic root of 3553420 is about 152.5980020431.

Adding to 3553420 its reverse (243553), we get a palindrome (3796973).

The spelling of 3553420 in words is "three million, five hundred fifty-three thousand, four hundred twenty".