630477 has 16 divisors (see below), whose sum is σ = 984000. Its totient is φ = 397872.

The previous prime is 630473. The next prime is 630481. The reversal of 630477 is 774036.

630477 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630473) and next prime (630481).

It is not a de Polignac number, because 630477 - 2² = 630473 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

630477 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 630477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (61500).

2⁶³⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

630477 is a deficient number, since it is larger than the sum of its proper divisors (353523).

630477 is a wasteful number, since it uses less digits than its factorization.

630477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 630477 is about 794.0258182200. The cubic root of 630477 is about 85.7478190222.

The spelling of 630477 in words is "six hundred thirty thousand, four hundred seventy-seven".