49215784 has 32 divisors (see below), whose sum is σ = 95911200. Its totient is φ = 23647680.

The previous prime is 49215781. The next prime is 49215787. The reversal of 49215784 is 48751294.

It is an interprime number because it is at equal distance from previous prime (49215781) and next prime (49215787).

It is not an unprimeable number, because it can be changed into a prime (49215781) 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, 70879 + ... + 71569.

It is an arithmetic number, because the mean of its divisors is an integer number (2997225).

Almost surely, 2^49215784 is an apocalyptic number.

It is an amenable number.

49215784 is a deficient number, since it is larger than the sum of its proper divisors (46695416).

49215784 is a wasteful number, since it uses less digits than its factorization.

49215784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 49215784 is about 7015.3962111915. The cubic root of 49215784 is about 366.4669406306.

The spelling of 49215784 in words is "forty-nine million, two hundred fifteen thousand, seven hundred eighty-four".