1549164 has 12 divisors (see below), whose sum is σ = 3614744. Its totient is φ = 516384.

The previous prime is 1549157. The next prime is 1549169. The reversal of 1549164 is 4619451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1549169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64537 + ... + 64560.

2^1549164 is an apocalyptic number.

It is an amenable number.

1549164 is an abundant number, since it is smaller than the sum of its proper divisors (2065580).

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

1549164 is a wasteful number, since it uses less digits than its factorization.

1549164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129104 (or 129102 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1549164 is about 1244.6541688357. The cubic root of 1549164 is about 115.7086425711.

The spelling of 1549164 in words is "one million, five hundred forty-nine thousand, one hundred sixty-four".