3550427 has 4 divisors (see below), whose sum is σ = 3626016. Its totient is φ = 3474840.

The previous prime is 3550411. The next prime is 3550439. The reversal of 3550427 is 7240553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3550427 - 2⁴ = 3550411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3550396 and 3550405.

It is not an unprimeable number, because it can be changed into a prime (3550447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37724 + ... + 37817.

It is an arithmetic number, because the mean of its divisors is an integer number (906504).

Almost surely, 2^3550427 is an apocalyptic number.

3550427 is a deficient number, since it is larger than the sum of its proper divisors (75589).

3550427 is an equidigital number, since it uses as much as digits as its factorization.

3550427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75588.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3550427 is about 1884.2576787690. The cubic root of 3550427 is about 152.5551462299. Note that the first 3 decimals are identical.

The spelling of 3550427 in words is "three million, five hundred fifty thousand, four hundred twenty-seven".