49890215 has 8 divisors (see below), whose sum is σ = 59911488. Its totient is φ = 39883360.

The previous prime is 49890187. The next prime is 49890227. The reversal of 49890215 is 51209894.

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

It is not a de Polignac number, because 49890215 - 2¹⁶ = 49824679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6689 + ... + 12021.

It is an arithmetic number, because the mean of its divisors is an integer number (7488936).

Almost surely, 2^49890215 is an apocalyptic number.

49890215 is a deficient number, since it is larger than the sum of its proper divisors (10021273).

49890215 is a wasteful number, since it uses less digits than its factorization.

49890215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 49890215 is about 7063.3005740942. The cubic root of 49890215 is about 368.1333180123.

It can be divided in two parts, 49890 and 215, that added together give a palindrome (50105).

The spelling of 49890215 in words is "forty-nine million, eight hundred ninety thousand, two hundred fifteen".