3556427 has 8 divisors (see below), whose sum is σ = 4125696. Its totient is φ = 3002472.

The previous prime is 3556393. The next prime is 3556447. The reversal of 3556427 is 7246553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3556427 - 2¹⁰ = 3555403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3556393 and 3556402.

It is not an unprimeable number, because it can be changed into a prime (3556447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (515712).

Almost surely, 2^3556427 is an apocalyptic number.

3556427 is a deficient number, since it is larger than the sum of its proper divisors (569269).

3556427 is an equidigital number, since it uses as much as digits as its factorization.

3556427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657.

The product of its digits is 25200, while the sum is 32.

The square root of 3556427 is about 1885.8491456105. The cubic root of 3556427 is about 152.6410340910.

The spelling of 3556427 in words is "three million, five hundred fifty-six thousand, four hundred twenty-seven".