42890435 has 32 divisors (see below), whose sum is σ = 60912000. Its totient is φ = 28976640.

The previous prime is 42890431. The next prime is 42890459. The reversal of 42890435 is 53409824.

42890435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42890435 - 2² = 42890431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 42890395 and 42890404.

It is not an unprimeable number, because it can be changed into a prime (42890431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152495 + ... + 152775.

It is an arithmetic number, because the mean of its divisors is an integer number (1903500).

Almost surely, 2^42890435 is an apocalyptic number.

42890435 is a deficient number, since it is larger than the sum of its proper divisors (18021565).

42890435 is an equidigital number, since it uses as much as digits as its factorization.

42890435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42890435 is about 6549.0789428743. The cubic root of 42890435 is about 350.0419949610.

The spelling of 42890435 in words is "forty-two million, eight hundred ninety thousand, four hundred thirty-five".