396554 has 4 divisors (see below), whose sum is σ = 594834. Its totient is φ = 198276.

The previous prime is 396547. The next prime is 396563. The reversal of 396554 is 455693.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455693 = 7 ⋅65099.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 5929 = 625^2 + 77^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396554.

It is an unprimeable number.

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, 99137 + ... + 99140.

2³⁹⁶⁵⁵⁴ is an apocalyptic number.

396554 is a deficient number, since it is larger than the sum of its proper divisors (198280).

396554 is a wasteful number, since it uses less digits than its factorization.

396554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198279.

The product of its digits is 16200, while the sum is 32.

The square root of 396554 is about 629.7253369525. The cubic root of 396554 is about 73.4684332338.

The spelling of 396554 in words is "three hundred ninety-six thousand, five hundred fifty-four".