1415381 has 8 divisors (see below), whose sum is σ = 1553664. Its totient is φ = 1278720.

The previous prime is 1415377. The next prime is 1415387. The reversal of 1415381 is 1835141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1415381 - 2² = 1415377 is a prime.

It is a super-2 number, since 2×1415381² = 4006606750322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415387) 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 in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (194208).

2^1415381 is an apocalyptic number.

1415381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1415381 is a deficient number, since it is larger than the sum of its proper divisors (138283).

1415381 is a wasteful number, since it uses less digits than its factorization.

1415381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 480, while the sum is 23.

The square root of 1415381 is about 1189.6978608033. The cubic root of 1415381 is about 112.2770828645.

The spelling of 1415381 in words is "one million, four hundred fifteen thousand, three hundred eighty-one".