99214947 has 12 divisors (see below), whose sum is σ = 154334544. Its totient is φ = 61055280.

The previous prime is 99214919. The next prime is 99214949. The reversal of 99214947 is 74941299.

It is a happy number.

It is not a de Polignac number, because 99214947 - 2¹⁰ = 99213923 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99214949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423879 + ... + 424112.

It is an arithmetic number, because the mean of its divisors is an integer number (12861212).

Almost surely, 2^99214947 is an apocalyptic number.

99214947 is a deficient number, since it is larger than the sum of its proper divisors (55119597).

99214947 is a wasteful number, since it uses less digits than its factorization.

99214947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848010 (or 848007 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99214947 is about 9960.6700075848. The cubic root of 99214947 is about 462.9410598468.

The spelling of 99214947 in words is "ninety-nine million, two hundred fourteen thousand, nine hundred forty-seven".