47389942 has 8 divisors (see below), whose sum is σ = 71129232. Its totient is φ = 23680200.

The previous prime is 47389879. The next prime is 47389943. The reversal of 47389942 is 24998374.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47389892 and 47389901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47389943) 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, 2809 + ... + 10132.

It is an arithmetic number, because the mean of its divisors is an integer number (8891154).

Almost surely, 2^47389942 is an apocalyptic number.

47389942 is a deficient number, since it is larger than the sum of its proper divisors (23739290).

47389942 is a wasteful number, since it uses less digits than its factorization.

47389942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14774.

The product of its digits is 435456, while the sum is 46.

The square root of 47389942 is about 6884.0352991541. The cubic root of 47389942 is about 361.8778980362.

The spelling of 47389942 in words is "forty-seven million, three hundred eighty-nine thousand, nine hundred forty-two".