98739457 has 4 divisors (see below), whose sum is σ = 98830080. Its totient is φ = 98648836.

The previous prime is 98739427. The next prime is 98739463. The reversal of 98739457 is 75493789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98739457 - 2¹¹ = 98737409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98739427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43657 + ... + 45862.

It is an arithmetic number, because the mean of its divisors is an integer number (24707520).

Almost surely, 2^98739457 is an apocalyptic number.

It is an amenable number.

98739457 is a deficient number, since it is larger than the sum of its proper divisors (90623).

98739457 is a wasteful number, since it uses less digits than its factorization.

98739457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90622.

The product of its digits is 1905120, while the sum is 52.

The square root of 98739457 is about 9936.7729671156. The cubic root of 98739457 is about 462.2003232270.

The spelling of 98739457 in words is "ninety-eight million, seven hundred thirty-nine thousand, four hundred fifty-seven".