49978343 has 8 divisors (see below), whose sum is σ = 51168000. Its totient is φ = 48794040.

The previous prime is 49978319. The next prime is 49978361. The reversal of 49978343 is 34387994.

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

It is a cyclic number.

It is not a de Polignac number, because 49978343 - 2⁸ = 49978087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49978043) 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, 22388 + ... + 24518.

It is an arithmetic number, because the mean of its divisors is an integer number (6396000).

Almost surely, 2^49978343 is an apocalyptic number.

49978343 is a deficient number, since it is larger than the sum of its proper divisors (1189657).

49978343 is a wasteful number, since it uses less digits than its factorization.

49978343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677.

The product of its digits is 653184, while the sum is 47.

The square root of 49978343 is about 7069.5362648479. The cubic root of 49978343 is about 368.3499521358.

The spelling of 49978343 in words is "forty-nine million, nine hundred seventy-eight thousand, three hundred forty-three".