1463634 has 48 divisors (see below), whose sum is σ = 3404544. Its totient is φ = 453600.

The previous prime is 1463621. The next prime is 1463641. The reversal of 1463634 is 4363641.

It is a junction number, because it is equal to n+sod(n) for n = 1463598 and 1463607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23964 + ... + 24024.

It is an arithmetic number, because the mean of its divisors is an integer number (70928).

2^1463634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1463634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702272).

1463634 is an abundant number, since it is smaller than the sum of its proper divisors (1940910).

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

1463634 is a wasteful number, since it uses less digits than its factorization.

1463634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 140 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1463634 is about 1209.8074226917. The cubic root of 1463634 is about 113.5387642760.

The spelling of 1463634 in words is "one million, four hundred sixty-three thousand, six hundred thirty-four".