630286794 has 24 divisors (see below), whose sum is σ = 1379703780. Its totient is φ = 207929088.

The previous prime is 630286777. The next prime is 630286799. The reversal of 630286794 is 497682036.

630286794 is a `hidden beast` number, since 630 + 2 + 8 + 6 + 7 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 620757225 + 9529569 = 24915^2 + 3087^2 .

It is a super-2 number, since 2×630286794² = 794522885381596872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630286799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178749 + ... + 182240.

Almost surely, 2^630286794 is an apocalyptic number.

630286794 is an abundant number, since it is smaller than the sum of its proper divisors (749416986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630286794 is a wasteful number, since it uses less digits than its factorization.

630286794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361094 (or 361091 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 630286794 is about 25105.5132192114. The cubic root of 630286794 is about 857.3919518653.

It can be divided in two parts, 6302 and 86794, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 630286794 in words is "six hundred thirty million, two hundred eighty-six thousand, seven hundred ninety-four".