49436387 has 48 divisors (see below), whose sum is σ = 69569280. Its totient is φ = 34070400.

The previous prime is 49436363. The next prime is 49436393. The reversal of 49436387 is 78363494.

It is a happy number.

It is not a de Polignac number, because 49436387 - 2¹⁰ = 49435363 is a prime.

It is a super-2 number, since 2×49436387² = 4887912719227538, which contains 22 as substring.

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 (49436327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377312 + ... + 377442.

It is an arithmetic number, because the mean of its divisors is an integer number (1449360).

Almost surely, 2^49436387 is an apocalyptic number.

49436387 is a deficient number, since it is larger than the sum of its proper divisors (20132893).

49436387 is a wasteful number, since it uses less digits than its factorization.

49436387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 191 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 49436387 is about 7031.1014073188. The cubic root of 49436387 is about 367.0136704909.

The spelling of 49436387 in words is "forty-nine million, four hundred thirty-six thousand, three hundred eighty-seven".