4166490 has 16 divisors (see below), whose sum is σ = 9999648. Its totient is φ = 1111056.

The previous prime is 4166447. The next prime is 4166497. The reversal of 4166490 is 946614.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 138883 = 4166490 / (4 + 1 + 6 + 6 + 4 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (4166497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69412 + ... + 69471.

It is an arithmetic number, because the mean of its divisors is an integer number (624978).

Almost surely, 2^4166490 is an apocalyptic number.

4166490 is an abundant number, since it is smaller than the sum of its proper divisors (5833158).

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

4166490 is a wasteful number, since it uses less digits than its factorization.

4166490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138893.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4166490 is about 2041.1981775418. The cubic root of 4166490 is about 160.9126231382.

It can be divided in two parts, 4166 and 490, that added together give a triangular number (4656 = T₉₆).

The spelling of 4166490 in words is "four million, one hundred sixty-six thousand, four hundred ninety".