4947642 has 40 divisors (see below), whose sum is σ = 12673056. Its totient is φ = 1413288.

The previous prime is 4947617. The next prime is 4947653. The reversal of 4947642 is 2467494.

4947642 is a `hidden beast` number, since 4 + 9 + 4 + 7 + 642 = 666.

It is a super-2 number, since 2×4947642² = 48958322720328, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4² + 9⁷ + 4³ + 7⁶ + 6⁶ + 4⁴ + 2⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 4947597 and 4947606.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1048 + ... + 3315.

Almost surely, 2^4947642 is an apocalyptic number.

4947642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4947642 is an abundant number, since it is smaller than the sum of its proper divisors (7725414).

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

4947642 is a wasteful number, since it uses less digits than its factorization.

4947642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384 (or 4375 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4947642 is about 2224.3295619130. The cubic root of 4947642 is about 170.3986262536.

The spelling of 4947642 in words is "four million, nine hundred forty-seven thousand, six hundred forty-two".