396499 has 4 divisors (see below), whose sum is σ = 397936. Its totient is φ = 395064.

The previous prime is 396479. The next prime is 396509. The reversal of 396499 is 994693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994693 = 7 ⋅142099.

It is a cyclic number.

It is not a de Polignac number, because 396499 - 2¹⁵ = 363731 is a prime.

It is a super-2 number, since 2×396499² = 314422914002, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396449) 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, 159 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (99484).

2³⁹⁶⁴⁹⁹ is an apocalyptic number.

396499 is a deficient number, since it is larger than the sum of its proper divisors (1437).

396499 is a wasteful number, since it uses less digits than its factorization.

396499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its digits is 52488, while the sum is 40.

The square root of 396499 is about 629.6816656057. The cubic root of 396499 is about 73.4650365122.

The spelling of 396499 in words is "three hundred ninety-six thousand, four hundred ninety-nine".