396653 has 4 divisors (see below), whose sum is σ = 400608. Its totient is φ = 392700.

The previous prime is 396647. The next prime is 396667. The reversal of 396653 is 356693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396653 - 2⁴ = 396637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396623) 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, 1823 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (100152).

2³⁹⁶⁶⁵³ is an apocalyptic number.

It is an amenable number.

396653 is a deficient number, since it is larger than the sum of its proper divisors (3955).

396653 is a wasteful number, since it uses less digits than its factorization.

396653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954.

The product of its digits is 14580, while the sum is 32.

The square root of 396653 is about 629.8039377457. The cubic root of 396653 is about 73.4745465414.

The spelling of 396653 in words is "three hundred ninety-six thousand, six hundred fifty-three".