1046463644 has 12 divisors (see below), whose sum is σ = 1839380424. Its totient is φ = 520926384.

The previous prime is 1046463643. The next prime is 1046463647. The reversal of 1046463644 is 4463646401.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1046463598 and 1046463607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046463643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575339 + ... + 577154.

It is an arithmetic number, because the mean of its divisors is an integer number (153281702).

Almost surely, 2^1046463644 is an apocalyptic number.

It is an amenable number.

1046463644 is a deficient number, since it is larger than the sum of its proper divisors (792916780).

1046463644 is a wasteful number, since it uses less digits than its factorization.

1046463644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152724 (or 1152722 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 1046463644 is about 32349.0903117847. The cubic root of 1046463644 is about 1015.2540132857.

The spelling of 1046463644 in words is "one billion, forty-six million, four hundred sixty-three thousand, six hundred forty-four".