463998646 has 16 divisors (see below), whose sum is σ = 744240960. Its totient is φ = 216188800.

The previous prime is 463998583. The next prime is 463998659. The reversal of 463998646 is 646899364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64126 + ... + 70993.

It is an arithmetic number, because the mean of its divisors is an integer number (46515060).

Almost surely, 2^463998646 is an apocalyptic number.

463998646 is a deficient number, since it is larger than the sum of its proper divisors (280242314).

463998646 is a wasteful number, since it uses less digits than its factorization.

463998646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135239.

The product of its digits is 6718464, while the sum is 55.

The square root of 463998646 is about 21540.6277995791. The cubic root of 463998646 is about 774.1745750836.

It can be divided in two parts, 4639 and 98646, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 463998646 in words is "four hundred sixty-three million, nine hundred ninety-eight thousand, six hundred forty-six".