1920970 has 8 divisors (see below), whose sum is σ = 3457764. Its totient is φ = 768384.

The previous prime is 1920959. The next prime is 1920991. The reversal of 1920970 is 790291.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 8281 = 1383^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 96039 + ... + 96058.

2^1920970 is an apocalyptic number.

1920970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1920970 is a deficient number, since it is larger than the sum of its proper divisors (1536794).

1920970 is a wasteful number, since it uses less digits than its factorization.

1920970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192104.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1920970 is about 1385.9906204589. The cubic root of 1920970 is about 124.3102273778.

The spelling of 1920970 in words is "one million, nine hundred twenty thousand, nine hundred seventy".