42690346 has 8 divisors (see below), whose sum is σ = 66819744. Its totient is φ = 20417100.

The previous prime is 42690343. The next prime is 42690353. The reversal of 42690346 is 64309624.

42690346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (42690343) 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 3 ways as a sum of consecutive naturals, for example, 463980 + ... + 464071.

It is an arithmetic number, because the mean of its divisors is an integer number (8352468).

Almost surely, 2^42690346 is an apocalyptic number.

42690346 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42690346 is a deficient number, since it is larger than the sum of its proper divisors (24129398).

42690346 is a wasteful number, since it uses less digits than its factorization.

42690346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928076.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 42690346 is about 6533.7849673830. The cubic root of 42690346 is about 349.4968170740.

The spelling of 42690346 in words is "forty-two million, six hundred ninety thousand, three hundred forty-six".