1920479 has 8 divisors (see below), whose sum is σ = 2125440. Its totient is φ = 1720600.

The previous prime is 1920469. The next prime is 1920487. The reversal of 1920479 is 9740291.

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 1920479 - 2⁸ = 1920223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 2010.

It is an arithmetic number, because the mean of its divisors is an integer number (265680).

2^1920479 is an apocalyptic number.

1920479 is a deficient number, since it is larger than the sum of its proper divisors (204961).

1920479 is a wasteful number, since it uses less digits than its factorization.

1920479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

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

The square root of 1920479 is about 1385.8134795130. The cubic root of 1920479 is about 124.2996352424.

The spelling of 1920479 in words is "one million, nine hundred twenty thousand, four hundred seventy-nine".