3491136 has 168 divisors, whose sum is σ = 11887200. Its totient is φ = 967680.

The previous prime is 3491129. The next prime is 3491143. The reversal of 3491136 is 6311943.

3491136 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3491129) and next prime (3491143).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120370 + ... + 120398.

Almost surely, 2^3491136 is an apocalyptic number.

3491136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5943600).

3491136 is an abundant number, since it is smaller than the sum of its proper divisors (8396064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491136 is a wasteful number, since it uses less digits than its factorization.

3491136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 64 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3491136 is about 1868.4581879186. The cubic root of 3491136 is about 151.7011672644.

It can be divided in two parts, 349 and 1136, that added together give a triangular number (1485 = T₅₄).

The spelling of 3491136 in words is "three million, four hundred ninety-one thousand, one hundred thirty-six".