920413 has 8 divisors (see below), whose sum is σ = 1002456. Its totient is φ = 840000.

The previous prime is 920411. The next prime is 920419. The reversal of 920413 is 314029.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 544644 = 613^2 + 738^2 .

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 920413 - 2¹ = 920411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (125307).

2⁹²⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

920413 is a deficient number, since it is larger than the sum of its proper divisors (82043).

920413 is a wasteful number, since it uses less digits than its factorization.

920413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 920413 is about 959.3815716387. The cubic root of 920413 is about 97.2734340383.

The spelling of 920413 in words is "nine hundred twenty thousand, four hundred thirteen".