396960547 has 2 divisors, whose sum is σ = 396960548. Its totient is φ = 396960546.

The previous prime is 396960541. The next prime is 396960589. The reversal of 396960547 is 745069693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396960547 - 2¹⁹ = 396436259 is a prime.

It is a super-3 number, since 3×396960547³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 396960547.

It is not a weakly prime, because it can be changed into another prime (396960541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198480273 + 198480274.

It is an arithmetic number, because the mean of its divisors is an integer number (198480274).

Almost surely, 2^396960547 is an apocalyptic number.

396960547 is a deficient number, since it is larger than the sum of its proper divisors (1).

396960547 is an equidigital number, since it uses as much as digits as its factorization.

396960547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 396960547 is about 19923.8687759180. The cubic root of 396960547 is about 734.9353126158.

It can be divided in two parts, 3969 and 60547, that added together give a square (64516 = 254²).

The spelling of 396960547 in words is "three hundred ninety-six million, nine hundred sixty thousand, five hundred forty-seven".