1463381 has 4 divisors (see below), whose sum is σ = 1484064. Its totient is φ = 1442700.

The previous prime is 1463359. The next prime is 1463447. The reversal of 1463381 is 1833641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1463381 - 2¹⁴ = 1446997 is a prime.

It is a super-2 number, since 2×1463381² = 4282967902322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1463381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463981) 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, 10235 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (371016).

2^1463381 is an apocalyptic number.

It is an amenable number.

1463381 is a deficient number, since it is larger than the sum of its proper divisors (20683).

1463381 is an equidigital number, since it uses as much as digits as its factorization.

1463381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682.

The product of its digits is 1728, while the sum is 26.

The square root of 1463381 is about 1209.7028560766. The cubic root of 1463381 is about 113.5322218930.

The spelling of 1463381 in words is "one million, four hundred sixty-three thousand, three hundred eighty-one".