2147090 has 32 divisors (see below), whose sum is σ = 4276800. Its totient is φ = 769600.

The previous prime is 2147087. The next prime is 2147099. The reversal of 2147090 is 907412.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2147099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14336 + ... + 14484.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

2^2147090 is an apocalyptic number.

2147090 is a deficient number, since it is larger than the sum of its proper divisors (2129710).

2147090 is a wasteful number, since it uses less digits than its factorization.

2147090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2147090 is about 1465.2951921029. The cubic root of 2147090 is about 129.0080318698.

The spelling of 2147090 in words is "two million, one hundred forty-seven thousand, ninety".