98340421 has 4 divisors (see below), whose sum is σ = 101731500. Its totient is φ = 94949344.

The previous prime is 98340419. The next prime is 98340439. The reversal of 98340421 is 12404389.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60996100 + 37344321 = 7810^2 + 6111^2 .

It is a cyclic number.

It is not a de Polignac number, because 98340421 - 2¹ = 98340419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98340481) 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, 1695496 + ... + 1695553.

It is an arithmetic number, because the mean of its divisors is an integer number (25432875).

Almost surely, 2^98340421 is an apocalyptic number.

It is an amenable number.

98340421 is a deficient number, since it is larger than the sum of its proper divisors (3391079).

98340421 is a wasteful number, since it uses less digits than its factorization.

98340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391078.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 98340421 is about 9916.6738879526. The cubic root of 98340421 is about 461.5768521748.

The spelling of 98340421 in words is "ninety-eight million, three hundred forty thousand, four hundred twenty-one".