396437 has 2 divisors, whose sum is σ = 396438. Its totient is φ = 396436.

The previous prime is 396427. The next prime is 396443. The reversal of 396437 is 734693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358801 + 37636 = 599^2 + 194^2 .

It is an emirp because it is prime and its reverse (734693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396437 - 2⁶ = 396373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198218 + 198219.

It is an arithmetic number, because the mean of its divisors is an integer number (198219).

2³⁹⁶⁴³⁷ is an apocalyptic number.

It is an amenable number.

396437 is a deficient number, since it is larger than the sum of its proper divisors (1).

396437 is an equidigital number, since it uses as much as digits as its factorization.

396437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 396437 is about 629.6324324556. The cubic root of 396437 is about 73.4612071039.

The spelling of 396437 in words is "three hundred ninety-six thousand, four hundred thirty-seven".