99493810 has 32 divisors (see below), whose sum is σ = 193923072. Its totient is φ = 36534720.

The previous prime is 99493799. The next prime is 99493811. The reversal of 99493810 is 1839499.

It is a super-2 number, since 2×99493810² = 19798036456632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99493811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22827 + ... + 26833.

It is an arithmetic number, because the mean of its divisors is an integer number (6060096).

Almost surely, 2^99493810 is an apocalyptic number.

99493810 is a deficient number, since it is larger than the sum of its proper divisors (94429262).

99493810 is a wasteful number, since it uses less digits than its factorization.

99493810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 99493810 is about 9974.6583901405. The cubic root of 99493810 is about 463.3743828970.

The spelling of 99493810 in words is "ninety-nine million, four hundred ninety-three thousand, eight hundred ten".