5081690 has 16 divisors (see below), whose sum is σ = 9197928. Its totient is φ = 2021376.

The previous prime is 5081677. The next prime is 5081707. The reversal of 5081690 is 961805.

It can be written as a sum of positive squares in 4 ways, for example, as 2550409 + 2531281 = 1597^2 + 1591^2 .

It is a super-2 number, since 2×5081690² = 51647146512200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 3246.

Almost surely, 2^5081690 is an apocalyptic number.

5081690 is a deficient number, since it is larger than the sum of its proper divisors (4116238).

5081690 is a wasteful number, since it uses less digits than its factorization.

5081690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 5081690 is about 2254.2604108665. The cubic root of 5081690 is about 171.9238215027.

Subtracting from 5081690 its reverse (961805), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 5081690 in words is "five million, eighty-one thousand, six hundred ninety".