396741 has 4 divisors (see below), whose sum is σ = 528992. Its totient is φ = 264492.

The previous prime is 396733. The next prime is 396833. The reversal of 396741 is 147693.

It is a happy number.

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 not a de Polignac number, because 396741 - 2³ = 396733 is a prime.

It is a D-number.

It is a Duffinian number.

396741 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 396699 and 396708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396041) 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, 66121 + ... + 66126.

It is an arithmetic number, because the mean of its divisors is an integer number (132248).

2³⁹⁶⁷⁴¹ is an apocalyptic number.

It is an amenable number.

396741 is a deficient number, since it is larger than the sum of its proper divisors (132251).

396741 is a wasteful number, since it uses less digits than its factorization.

396741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132250.

The product of its digits is 4536, while the sum is 30.

The square root of 396741 is about 629.8737968832. The cubic root of 396741 is about 73.4799797386.

The spelling of 396741 in words is "three hundred ninety-six thousand, seven hundred forty-one".