396562 has 4 divisors (see below), whose sum is σ = 594846. Its totient is φ = 198280.

The previous prime is 396547. The next prime is 396563. The reversal of 396562 is 265693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265693 = 17 ⋅15629.

It can be written as a sum of positive squares in only one way, i.e., 212521 + 184041 = 461^2 + 429^2 .

It is a super-2 number, since 2×396562² = 314522839688, which contains 22 as substring.

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 an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (396563) by changing a digit.

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 as a sum of consecutive naturals, namely, 99139 + ... + 99142.

2³⁹⁶⁵⁶² is an apocalyptic number.

396562 is a deficient number, since it is larger than the sum of its proper divisors (198284).

396562 is a wasteful number, since it uses less digits than its factorization.

396562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198283.

The product of its digits is 9720, while the sum is 31.

The square root of 396562 is about 629.7316888962. The cubic root of 396562 is about 73.4689272762.

The spelling of 396562 in words is "three hundred ninety-six thousand, five hundred sixty-two".