4091516 has 48 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 1636800.

The previous prime is 4091471. The next prime is 4091537. The reversal of 4091516 is 6151904.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13001 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

Almost surely, 2^4091516 is an apocalyptic number.

4091516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4091516 is an abundant number, since it is smaller than the sum of its proper divisors (4714372).

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

4091516 is a wasteful number, since it uses less digits than its factorization.

4091516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 4091516 is about 2022.7496137683. The cubic root of 4091516 is about 159.9415932650.

The spelling of 4091516 in words is "four million, ninety-one thousand, five hundred sixteen".