1463642 has 4 divisors (see below), whose sum is σ = 2195466. Its totient is φ = 731820.

The previous prime is 1463641. The next prime is 1463647. The reversal of 1463642 is 2463641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1042441 + 421201 = 1021^2 + 649^2 .

It is not an unprimeable number, because it can be changed into a prime (1463641) 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 as a sum of consecutive naturals, namely, 365909 + ... + 365912.

2^1463642 is an apocalyptic number.

1463642 is a deficient number, since it is larger than the sum of its proper divisors (731824).

1463642 is an equidigital number, since it uses as much as digits as its factorization.

1463642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731823.

The product of its digits is 3456, while the sum is 26.

The square root of 1463642 is about 1209.8107289985. The cubic root of 1463642 is about 113.5389711375.

Subtracting 1463642 from its reverse (2463641), we obtain a palindrome (999999).

The spelling of 1463642 in words is "one million, four hundred sixty-three thousand, six hundred forty-two".