2992421 has 8 divisors (see below), whose sum is σ = 3092640. Its totient is φ = 2893968.

The previous prime is 2992417. The next prime is 2992453. The reversal of 2992421 is 1242992.

2992421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2992421 - 2² = 2992417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (386580).

2^2992421 is an apocalyptic number.

It is an amenable number.

2992421 is a deficient number, since it is larger than the sum of its proper divisors (100219).

2992421 is an equidigital number, since it uses as much as digits as its factorization.

2992421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 2592, while the sum is 29.

The square root of 2992421 is about 1729.8615551541. The cubic root of 2992421 is about 144.1034011708.

The spelling of 2992421 in words is "two million, nine hundred ninety-two thousand, four hundred twenty-one".