920746 has 4 divisors (see below), whose sum is σ = 1381122. Its totient is φ = 460372.

The previous prime is 920743. The next prime is 920753. The reversal of 920746 is 647029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647029 = 107 ⋅6047.

It can be written as a sum of positive squares in only one way, i.e., 837225 + 83521 = 915^2 + 289^2 .

It is not an unprimeable number, because it can be changed into a prime (920741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230185 + ... + 230188.

2⁹²⁰⁷⁴⁶ is an apocalyptic number.

920746 is a deficient number, since it is larger than the sum of its proper divisors (460376).

920746 is a wasteful number, since it uses less digits than its factorization.

920746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460375.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 920746 is about 959.5551052441. Note that the first 3 decimals coincide. The cubic root of 920746 is about 97.2851636090.

The spelling of 920746 in words is "nine hundred twenty thousand, seven hundred forty-six".