3891154 has 8 divisors (see below), whose sum is σ = 5947020. Its totient is φ = 1908816.

The previous prime is 3891137. The next prime is 3891157. The reversal of 3891154 is 4511983.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 29929 = 1965^2 + 173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3891157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18249 + ... + 18460.

Almost surely, 2^3891154 is an apocalyptic number.

3891154 is a deficient number, since it is larger than the sum of its proper divisors (2055866).

3891154 is a wasteful number, since it uses less digits than its factorization.

3891154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36764.

The product of its digits is 4320, while the sum is 31.

The square root of 3891154 is about 1972.6008212510. The cubic root of 3891154 is about 157.2869918020.

The spelling of 3891154 in words is "three million, eight hundred ninety-one thousand, one hundred fifty-four".