49071399 has 8 divisors (see below), whose sum is σ = 70461552. Its totient is φ = 30197760.

The previous prime is 49071391. The next prime is 49071409. The reversal of 49071399 is 99317094.

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

It is not a de Polignac number, because 49071399 - 2³ = 49071391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49071399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49071391) 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, 629082 + ... + 629159.

It is an arithmetic number, because the mean of its divisors is an integer number (8807694).

Almost surely, 2^49071399 is an apocalyptic number.

49071399 is a deficient number, since it is larger than the sum of its proper divisors (21390153).

49071399 is a wasteful number, since it uses less digits than its factorization.

49071399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258257.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 49071399 is about 7005.0980721186. The cubic root of 49071399 is about 366.1082199614.

The spelling of 49071399 in words is "forty-nine million, seventy-one thousand, three hundred ninety-nine".