49867397 has 4 divisors (see below), whose sum is σ = 49940256. Its totient is φ = 49794540.

The previous prime is 49867393. The next prime is 49867399. The reversal of 49867397 is 79376894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49867397 - 2² = 49867393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49867393) 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, 35393 + ... + 36774.

It is an arithmetic number, because the mean of its divisors is an integer number (12485064).

Almost surely, 2^49867397 is an apocalyptic number.

It is an amenable number.

49867397 is a deficient number, since it is larger than the sum of its proper divisors (72859).

49867397 is an equidigital number, since it uses as much as digits as its factorization.

49867397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72858.

The product of its digits is 2286144, while the sum is 53.

The square root of 49867397 is about 7061.6851388319. The cubic root of 49867397 is about 368.0771857827.

The spelling of 49867397 in words is "forty-nine million, eight hundred sixty-seven thousand, three hundred ninety-seven".