47821941 has 8 divisors (see below), whose sum is σ = 70847360. Its totient is φ = 31881276.

The previous prime is 47821937. The next prime is 47821951. The reversal of 47821941 is 14912874.

It is not a de Polignac number, because 47821941 - 2² = 47821937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47821896 and 47821905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885565 + ... + 885618.

It is an arithmetic number, because the mean of its divisors is an integer number (8855920).

Almost surely, 2^47821941 is an apocalyptic number.

It is an amenable number.

47821941 is a deficient number, since it is larger than the sum of its proper divisors (23025419).

47821941 is a wasteful number, since it uses less digits than its factorization.

47821941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771192 (or 1771186 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 47821941 is about 6915.3409894234. The cubic root of 47821941 is about 362.9741802549.

The spelling of 47821941 in words is "forty-seven million, eight hundred twenty-one thousand, nine hundred forty-one".