989140435 has 8 divisors (see below), whose sum is σ = 1201993920. Its totient is φ = 781295424.

The previous prime is 989140429. The next prime is 989140441. The reversal of 989140435 is 534041989.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (989140429) and next prime (989140441).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 989140435 - 2¹⁷ = 989009363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 989140391 and 989140400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251682 + ... + 1252471.

It is an arithmetic number, because the mean of its divisors is an integer number (150249240).

Almost surely, 2^989140435 is an apocalyptic number.

989140435 is a deficient number, since it is larger than the sum of its proper divisors (212853485).

989140435 is a wasteful number, since it uses less digits than its factorization.

989140435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504237.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 989140435 is about 31450.6030943764. The cubic root of 989140435 is about 996.3669620191.

The spelling of 989140435 in words is "nine hundred eighty-nine million, one hundred forty thousand, four hundred thirty-five".