4905642 has 32 divisors (see below), whose sum is σ = 11280384. Its totient is φ = 1393200.

The previous prime is 4905623. The next prime is 4905653. The reversal of 4905642 is 2465094.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11167 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (352512).

Almost surely, 2^4905642 is an apocalyptic number.

4905642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4905642 is an abundant number, since it is smaller than the sum of its proper divisors (6374742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4905642 is a wasteful number, since it uses less digits than its factorization.

4905642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4905642 is about 2214.8683933814. The cubic root of 4905642 is about 169.9150902385.

The spelling of 4905642 in words is "four million, nine hundred five thousand, six hundred forty-two".