623146 has 8 divisors (see below), whose sum is σ = 940644. Its totient is φ = 309600.

The previous prime is 623107. The next prime is 623171. The reversal of 623146 is 641326.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 625 = 789^2 + 25^2 .

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

It is a d-powerful number, because it can be written as 6⁷ + 2⁷ + 1 + 3¹⁰ + 4⁶ + 6⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555 + ... + 1246.

2⁶²³¹⁴⁶ is an apocalyptic number.

623146 is a deficient number, since it is larger than the sum of its proper divisors (317498).

623146 is a wasteful number, since it uses less digits than its factorization.

623146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its digits is 864, while the sum is 22.

The square root of 623146 is about 789.3959716137. The cubic root of 623146 is about 85.4141723906.

The spelling of 623146 in words is "six hundred twenty-three thousand, one hundred forty-six".