47103861 has 16 divisors (see below), whose sum is σ = 72451584. Its totient is φ = 26663664.

The previous prime is 47103841. The next prime is 47103863. The reversal of 47103861 is 16830174.

It is a happy number.

It is not a de Polignac number, because 47103861 - 2⁷ = 47103733 is a prime.

It is a super-2 number, since 2×47103861² = 4437547442214642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47103863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8235 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (4528224).

Almost surely, 2^47103861 is an apocalyptic number.

It is an amenable number.

47103861 is a deficient number, since it is larger than the sum of its proper divisors (25347723).

47103861 is a wasteful number, since it uses less digits than its factorization.

47103861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21080.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 47103861 is about 6863.2252622218. The cubic root of 47103861 is about 361.1482395977.

The spelling of 47103861 in words is "forty-seven million, one hundred three thousand, eight hundred sixty-one".