1463661 has 6 divisors (see below), whose sum is σ = 2114190. Its totient is φ = 975768.

The previous prime is 1463647. The next prime is 1463719. The reversal of 1463661 is 1663641.

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 38025 = 1194^2 + 195^2 .

It is not a de Polignac number, because 1463661 - 2⁶ = 1463597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81306 + ... + 81323.

It is an arithmetic number, because the mean of its divisors is an integer number (352365).

2^1463661 is an apocalyptic number.

It is an amenable number.

1463661 is a deficient number, since it is larger than the sum of its proper divisors (650529).

1463661 is a wasteful number, since it uses less digits than its factorization.

1463661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162635 (or 162632 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1463661 is about 1209.8185814410. The cubic root of 1463661 is about 113.5394624304.

The spelling of 1463661 in words is "one million, four hundred sixty-three thousand, six hundred sixty-one".