2985421 has 8 divisors (see below), whose sum is σ = 3184704. Its totient is φ = 2788800.

The previous prime is 2985397. The next prime is 2985431. The reversal of 2985421 is 1245892.

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 2985421 - 2⁷ = 2985293 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985431) 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 7 ways as a sum of consecutive naturals, for example, 1986 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (398088).

2^2985421 is an apocalyptic number.

It is an amenable number.

2985421 is a deficient number, since it is larger than the sum of its proper divisors (199283).

2985421 is a wasteful number, since it uses less digits than its factorization.

2985421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 5760, while the sum is 31.

The square root of 2985421 is about 1727.8370872278. The cubic root of 2985421 is about 143.9909491482.

The spelling of 2985421 in words is "two million, nine hundred eighty-five thousand, four hundred twenty-one".