4491270 has 48 divisors (see below), whose sum is σ = 13347360. Its totient is φ = 1026432.

The previous prime is 4491241. The next prime is 4491301. The reversal of 4491270 is 721944.

4491270 = T₄₈₉ + T₄₉₀ + ... + T₅₂₃.

It is a happy number.

It is a Curzon number.

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, 2935 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (278070).

Almost surely, 2^4491270 is an apocalyptic number.

4491270 is an abundant number, since it is smaller than the sum of its proper divisors (8856090).

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

4491270 is a wasteful number, since it uses less digits than its factorization.

4491270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4491270 is about 2119.2616638820. The cubic root of 4491270 is about 164.9895310162.

It can be divided in two parts, 4491 and 270, that added together give a square (4761 = 69²).

The spelling of 4491270 in words is "four million, four hundred ninety-one thousand, two hundred seventy".