47896642 has 4 divisors (see below), whose sum is σ = 71844966. Its totient is φ = 23948320.

The previous prime is 47896631. The next prime is 47896657. The reversal of 47896642 is 24669874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42237001 + 5659641 = 6499^2 + 2379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47896592 and 47896601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11974159 + ... + 11974162.

Almost surely, 2^47896642 is an apocalyptic number.

47896642 is a deficient number, since it is larger than the sum of its proper divisors (23948324).

47896642 is a wasteful number, since it uses less digits than its factorization.

47896642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23948323.

The product of its digits is 580608, while the sum is 46.

The square root of 47896642 is about 6920.7399893364. The cubic root of 47896642 is about 363.1630784028.

The spelling of 47896642 in words is "forty-seven million, eight hundred ninety-six thousand, six hundred forty-two".