454977 has 20 divisors (see below), whose sum is σ = 701316. Its totient is φ = 293760.

The previous prime is 454973. The next prime is 454991. The reversal of 454977 is 779454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123201 + 331776 = 351^2 + 576^2 .

It is not a de Polignac number, because 454977 - 2² = 454973 is a prime.

454977 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (454973) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3253 + ... + 3389.

2⁴⁵⁴⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

454977 is a deficient number, since it is larger than the sum of its proper divisors (246339).

454977 is a wasteful number, since it uses less digits than its factorization.

454977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 181 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 454977 is about 674.5198292119. The cubic root of 454977 is about 76.9124208059.

It can be divided in two parts, 454 and 977, that added together give a triangular number (1431 = T₅₃).

The spelling of 454977 in words is "four hundred fifty-four thousand, nine hundred seventy-seven".