49870085 has 8 divisors (see below), whose sum is σ = 60973560. Its totient is φ = 39143104.

The previous prime is 49870081. The next prime is 49870097. The reversal of 49870085 is 58007894.

49870085 = 4993² + 4994².

It can be written as a sum of positive squares in 4 ways, for example, as 2563201 + 47306884 = 1601^2 + 6878^2 .

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 49870085 - 2² = 49870081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49870081) 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, 93830 + ... + 94359.

It is an arithmetic number, because the mean of its divisors is an integer number (7621695).

Almost surely, 2^49870085 is an apocalyptic number.

49870085 is the 4994-th centered square number.

It is an amenable number.

49870085 is a deficient number, since it is larger than the sum of its proper divisors (11103475).

49870085 is a wasteful number, since it uses less digits than its factorization.

49870085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188247.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 49870085 is about 7061.8754591114. The cubic root of 49870085 is about 368.0837991464.

The spelling of 49870085 in words is "forty-nine million, eight hundred seventy thousand, eighty-five".