98378407 has 4 divisors (see below), whose sum is σ = 101551936. Its totient is φ = 95204880.

The previous prime is 98378389. The next prime is 98378417. The reversal of 98378407 is 70487389.

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

It is a cyclic number.

It is not a de Polignac number, because 98378407 - 2⁷ = 98378279 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 (98378417) 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, 1586718 + ... + 1586779.

It is an arithmetic number, because the mean of its divisors is an integer number (25387984).

Almost surely, 2^98378407 is an apocalyptic number.

98378407 is the 5727-th hex number.

98378407 is a deficient number, since it is larger than the sum of its proper divisors (3173529).

98378407 is a wasteful number, since it uses less digits than its factorization.

98378407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173528.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 98378407 is about 9918.5889621458. The cubic root of 98378407 is about 461.6362756925.

The spelling of 98378407 in words is "ninety-eight million, three hundred seventy-eight thousand, four hundred seven".