988415 has 4 divisors (see below), whose sum is σ = 1186104. Its totient is φ = 790728.

The previous prime is 988409. The next prime is 988417. The reversal of 988415 is 514889.

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

It is a cyclic number.

It is not a de Polignac number, because 988415 - 2¹⁰ = 987391 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 (988417) 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, 98837 + ... + 98846.

It is an arithmetic number, because the mean of its divisors is an integer number (296526).

2⁹⁸⁸⁴¹⁵ is an apocalyptic number.

988415 is a deficient number, since it is larger than the sum of its proper divisors (197689).

988415 is a wasteful number, since it uses less digits than its factorization.

988415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197688.

The product of its digits is 11520, while the sum is 35.

The square root of 988415 is about 994.1906255844. The cubic root of 988415 is about 99.6123324138.

The spelling of 988415 in words is "nine hundred eighty-eight thousand, four hundred fifteen".