396973 has 4 divisors (see below), whose sum is σ = 407740. Its totient is φ = 386208.

The previous prime is 396971. The next prime is 396983. The reversal of 396973 is 379693.

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

It can be written as a sum of positive squares in 2 ways, for example, as 328329 + 68644 = 573^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 396973 - 2¹ = 396971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 10729 = 396973 / (3 + 9 + 6 + 9 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (101935).

2³⁹⁶⁹⁷³ is an apocalyptic number.

It is an amenable number.

396973 is a deficient number, since it is larger than the sum of its proper divisors (10767).

396973 is a wasteful number, since it uses less digits than its factorization.

396973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766.

The product of its digits is 30618, while the sum is 37.

The square root of 396973 is about 630.0579338442. The cubic root of 396973 is about 73.4942997724.

It can be divided in two parts, 396 and 973, that added together give a square (1369 = 37²).

The spelling of 396973 in words is "three hundred ninety-six thousand, nine hundred seventy-three".