9914215 has 4 divisors (see below), whose sum is σ = 11897064. Its totient is φ = 7931368.

The previous prime is 9914189. The next prime is 9914221. The reversal of 9914215 is 5124199.

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 9914215 - 2¹⁹ = 9389927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991417 + ... + 991426.

It is an arithmetic number, because the mean of its divisors is an integer number (2974266).

Almost surely, 2^9914215 is an apocalyptic number.

9914215 is a deficient number, since it is larger than the sum of its proper divisors (1982849).

9914215 is a wasteful number, since it uses less digits than its factorization.

9914215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982848.

The product of its digits is 3240, while the sum is 31.

The square root of 9914215 is about 3148.6846460070. The cubic root of 9914215 is about 214.8256383344.

The spelling of 9914215 in words is "nine million, nine hundred fourteen thousand, two hundred fifteen".