49436187 has 16 divisors (see below), whose sum is σ = 70440480. Its totient is φ = 30730752.

The previous prime is 49436183. The next prime is 49436237. The reversal of 49436187 is 78163494.

It is not a de Polignac number, because 49436187 - 2² = 49436183 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (49436183) 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, 1113 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (4402530).

Almost surely, 2^49436187 is an apocalyptic number.

49436187 is a deficient number, since it is larger than the sum of its proper divisors (21004293).

49436187 is a wasteful number, since it uses less digits than its factorization.

49436187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022.

The product of its digits is 145152, while the sum is 42.

The square root of 49436187 is about 7031.0871847816. The cubic root of 49436187 is about 367.0131755597.

The spelling of 49436187 in words is "forty-nine million, four hundred thirty-six thousand, one hundred eighty-seven".