2149970 has 16 divisors (see below), whose sum is σ = 3896640. Its totient is φ = 854064.

The previous prime is 2149937. The next prime is 2149991. The reversal of 2149970 is 799412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (243540).

2^2149970 is an apocalyptic number.

2149970 is a deficient number, since it is larger than the sum of its proper divisors (1746670).

2149970 is a wasteful number, since it uses less digits than its factorization.

2149970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2149970 is about 1466.2775999107. The cubic root of 2149970 is about 129.0656877563.

The spelling of 2149970 in words is "two million, one hundred forty-nine thousand, nine hundred seventy".