4610991 has 16 divisors (see below), whose sum is σ = 7665408. Its totient is φ = 2395200.

The previous prime is 4610987. The next prime is 4610999. The reversal of 4610991 is 1990164.

It is not a de Polignac number, because 4610991 - 2² = 4610987 is a prime.

It is a super-2 number, since 2×4610991² = 42522476004162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4610999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9750 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (479088).

Almost surely, 2^4610991 is an apocalyptic number.

4610991 is a deficient number, since it is larger than the sum of its proper divisors (3054417).

4610991 is a wasteful number, since it uses less digits than its factorization.

4610991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19982.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 4610991 is about 2147.3218203148. The cubic root of 4610991 is about 166.4427022857.

The spelling of 4610991 in words is "four million, six hundred ten thousand, nine hundred ninety-one".