650397 has 8 divisors (see below), whose sum is σ = 946080. Its totient is φ = 394160.

The previous prime is 650387. The next prime is 650401. The reversal of 650397 is 793056.

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 650397 - 2⁷ = 650269 is a prime.

650397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650317) 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, 9822 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (118260).

2⁶⁵⁰³⁹⁷ is an apocalyptic number.

It is an amenable number.

650397 is a deficient number, since it is larger than the sum of its proper divisors (295683).

650397 is a wasteful number, since it uses less digits than its factorization.

650397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19723.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 650397 is about 806.4719461953. The cubic root of 650397 is about 86.6415426846.

It can be divided in two parts, 6 and 50397, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 650397 in words is "six hundred fifty thousand, three hundred ninety-seven".