4149090 has 96 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 997920.

The previous prime is 4149053. The next prime is 4149107. The reversal of 4149090 is 909414.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32607 + ... + 32733.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

Almost surely, 2^4149090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4149090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6128640).

4149090 is an abundant number, since it is smaller than the sum of its proper divisors (8108190).

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

4149090 is a wasteful number, since it uses less digits than its factorization.

4149090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4149090 is about 2036.9315157854. The cubic root of 4149090 is about 160.6883107227.

The spelling of 4149090 in words is "four million, one hundred forty-nine thousand, ninety".