99940435 has 16 divisors (see below), whose sum is σ = 141484032. Its totient is φ = 66319200.

The previous prime is 99940429. The next prime is 99940499. The reversal of 99940435 is 53404999.

It is not a de Polignac number, because 99940435 - 2²¹ = 97843283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99940391 and 99940400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44971 + ... + 47140.

It is an arithmetic number, because the mean of its divisors is an integer number (8842752).

Almost surely, 2^99940435 is an apocalyptic number.

99940435 is a deficient number, since it is larger than the sum of its proper divisors (41543597).

99940435 is a wasteful number, since it uses less digits than its factorization.

99940435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92154.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 99940435 is about 9997.0213063692. The cubic root of 99940435 is about 464.0667063108.

The spelling of 99940435 in words is "ninety-nine million, nine hundred forty thousand, four hundred thirty-five".