396747 has 12 divisors (see below), whose sum is σ = 617344. Its totient is φ = 244080.

The previous prime is 396733. The next prime is 396833. The reversal of 396747 is 747693.

It is not a de Polignac number, because 396747 - 2⁷ = 396619 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (396247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579 + ... + 1812.

2³⁹⁶⁷⁴⁷ is an apocalyptic number.

396747 is a deficient number, since it is larger than the sum of its proper divisors (220597).

396747 is a wasteful number, since it uses less digits than its factorization.

396747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3407 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 396747 is about 629.8785597240. The cubic root of 396747 is about 73.4803501547.

It can be divided in two parts, 39 and 6747, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 396747 in words is "three hundred ninety-six thousand, seven hundred forty-seven".