396554777 has 4 divisors (see below), whose sum is σ = 396711120. Its totient is φ = 396398436.

The previous prime is 396554737. The next prime is 396554779. The reversal of 396554777 is 777455693.

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 a cyclic number.

It is not a de Polignac number, because 396554777 - 2¹⁶ = 396489241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396554779) 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, 74303 + ... + 79460.

It is an arithmetic number, because the mean of its divisors is an integer number (99177780).

Almost surely, 2^396554777 is an apocalyptic number.

It is an amenable number.

396554777 is a deficient number, since it is larger than the sum of its proper divisors (156343).

396554777 is a wasteful number, since it uses less digits than its factorization.

396554777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156342.

The product of its digits is 5556600, while the sum is 53.

The square root of 396554777 is about 19913.6831600786. The cubic root of 396554777 is about 734.6848121796.

The spelling of 396554777 in words is "three hundred ninety-six million, five hundred fifty-four thousand, seven hundred seventy-seven".