3784649854 has 16 divisors (see below), whose sum is σ = 6012115488. Its totient is φ = 1780655872.

The previous prime is 3784649783. The next prime is 3784649863. The reversal of 3784649854 is 4589464873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251322 + ... + 265954.

It is an arithmetic number, because the mean of its divisors is an integer number (375757218).

Almost surely, 2^3784649854 is an apocalyptic number.

3784649854 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3784649854 is a deficient number, since it is larger than the sum of its proper divisors (2227465634).

3784649854 is a wasteful number, since it uses less digits than its factorization.

3784649854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22259.

The product of its digits is 23224320, while the sum is 58.

The square root of 3784649854 is about 61519.5079141568. The cubic root of 3784649854 is about 1558.3867079650.

The spelling of 3784649854 in words is "three billion, seven hundred eighty-four million, six hundred forty-nine thousand, eight hundred fifty-four".