650974 has 4 divisors (see below), whose sum is σ = 976464. Its totient is φ = 325486.

The previous prime is 650971. The next prime is 650987. The reversal of 650974 is 479056.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162742 + ... + 162745.

It is an arithmetic number, because the mean of its divisors is an integer number (244116).

2⁶⁵⁰⁹⁷⁴ is an apocalyptic number.

650974 is a deficient number, since it is larger than the sum of its proper divisors (325490).

650974 is a wasteful number, since it uses less digits than its factorization.

650974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325489.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 650974 is about 806.8295978706. The cubic root of 650974 is about 86.6671564732.

The spelling of 650974 in words is "six hundred fifty thousand, nine hundred seventy-four".