623460646 has 8 divisors (see below), whose sum is σ = 935454240. Its totient is φ = 311642568.

The previous prime is 623460641. The next prime is 623460667. The reversal of 623460646 is 646064326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×623460646² = 777406354221474632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623460641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34606 + ... + 49441.

It is an arithmetic number, because the mean of its divisors is an integer number (116931780).

Almost surely, 2^623460646 is an apocalyptic number.

623460646 is a deficient number, since it is larger than the sum of its proper divisors (311993594).

623460646 is a wasteful number, since it uses less digits than its factorization.

623460646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87758.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 623460646 is about 24969.1939397330. The cubic root of 623460646 is about 854.2854607170.

The spelling of 623460646 in words is "six hundred twenty-three million, four hundred sixty thousand, six hundred forty-six".