981415 has 8 divisors (see below), whose sum is σ = 1183248. Its totient is φ = 781440.

The previous prime is 981397. The next prime is 981419. The reversal of 981415 is 514189.

It is a happy number.

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

It is not a de Polignac number, because 981415 - 2⁷ = 981287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (147906).

2⁹⁸¹⁴¹⁵ is an apocalyptic number.

981415 is a deficient number, since it is larger than the sum of its proper divisors (201833).

981415 is a wasteful number, since it uses less digits than its factorization.

981415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its digits is 1440, while the sum is 28.

The square root of 981415 is about 990.6639187939. The cubic root of 981415 is about 99.3766220744.

The spelling of 981415 in words is "nine hundred eighty-one thousand, four hundred fifteen".