99903416 has 8 divisors (see below), whose sum is σ = 187318920. Its totient is φ = 49951704.

The previous prime is 99903409. The next prime is 99903437. The reversal of 99903416 is 61430999.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243956 + ... + 6243971.

It is an arithmetic number, because the mean of its divisors is an integer number (23414865).

Almost surely, 2^99903416 is an apocalyptic number.

It is an amenable number.

99903416 is a deficient number, since it is larger than the sum of its proper divisors (87415504).

99903416 is a wasteful number, since it uses less digits than its factorization.

99903416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487933 (or 12487929 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 99903416 is about 9995.1696333779. The cubic root of 99903416 is about 464.0094008202.

The spelling of 99903416 in words is "ninety-nine million, nine hundred three thousand, four hundred sixteen".