49898619 has 16 divisors (see below), whose sum is σ = 75644800. Its totient is φ = 32491368.

The previous prime is 49898609. The next prime is 49898627. The reversal of 49898619 is 91689894.

49898619 is a `hidden beast` number, since 498 + 98 + 61 + 9 = 666.

It is not a de Polignac number, because 49898619 - 2⁴ = 49898603 is a prime.

It is a super-2 number, since 2×49898619² = 4979744356214322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49898609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20329 + ... + 22650.

It is an arithmetic number, because the mean of its divisors is an integer number (4727800).

Almost surely, 2^49898619 is an apocalyptic number.

49898619 is a deficient number, since it is larger than the sum of its proper divisors (25746181).

49898619 is a wasteful number, since it uses less digits than its factorization.

49898619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031 (or 43025 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 49898619 is about 7063.8954550588. The cubic root of 49898619 is about 368.1539875210.

The spelling of 49898619 in words is "forty-nine million, eight hundred ninety-eight thousand, six hundred nineteen".