98429531 has 4 divisors (see below), whose sum is σ = 98670600. Its totient is φ = 98188464.

The previous prime is 98429491. The next prime is 98429563. The reversal of 98429531 is 13592489.

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 98429531 - 2¹⁸ = 98167387 is a prime.

It is a super-2 number, since 2×98429531² = 19376745145759922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98423531) 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, 119921 + ... + 120738.

It is an arithmetic number, because the mean of its divisors is an integer number (24667650).

Almost surely, 2^98429531 is an apocalyptic number.

98429531 is a deficient number, since it is larger than the sum of its proper divisors (241069).

98429531 is a wasteful number, since it uses less digits than its factorization.

98429531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241068.

The product of its digits is 77760, while the sum is 41.

The square root of 98429531 is about 9921.1658085126. The cubic root of 98429531 is about 461.7162275393.

The spelling of 98429531 in words is "ninety-eight million, four hundred twenty-nine thousand, five hundred thirty-one".