47199284 has 12 divisors (see below), whose sum is σ = 90107808. Its totient is φ = 21454200.

The previous prime is 47199283. The next prime is 47199307. The reversal of 47199284 is 48299174.

It is a super-2 number, since 2×47199284² = 4455544820225312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1072711 = 47199284 / (4 + 7 + 1 + 9 + 9 + 2 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47199283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536312 + ... + 536399.

It is an arithmetic number, because the mean of its divisors is an integer number (7508984).

Almost surely, 2^47199284 is an apocalyptic number.

47199284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47199284 is a deficient number, since it is larger than the sum of its proper divisors (42908524).

47199284 is a wasteful number, since it uses less digits than its factorization.

47199284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072726 (or 1072724 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 47199284 is about 6870.1735058148. The cubic root of 47199284 is about 361.3919464684.

The spelling of 47199284 in words is "forty-seven million, one hundred ninety-nine thousand, two hundred eighty-four".