98903491 has 4 divisors (see below), whose sum is σ = 98939232. Its totient is φ = 98867752.

The previous prime is 98903489. The next prime is 98903527. The reversal of 98903491 is 19430989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19430989 = 1801 ⋅10789.

It is a cyclic number.

It is not a de Polignac number, because 98903491 - 2¹ = 98903489 is a prime.

It is a super-3 number, since 3×98903491³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98903471) 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, 13336 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (24734808).

Almost surely, 2^98903491 is an apocalyptic number.

98903491 is a deficient number, since it is larger than the sum of its proper divisors (35741).

98903491 is a wasteful number, since it uses less digits than its factorization.

98903491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35740.

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

The square root of 98903491 is about 9945.0234288311. The cubic root of 98903491 is about 462.4561298540.

The spelling of 98903491 in words is "ninety-eight million, nine hundred three thousand, four hundred ninety-one".