1541864 has 16 divisors (see below), whose sum is σ = 2969700. Its totient is φ = 749952.

The previous prime is 1541863. The next prime is 1541867. The reversal of 1541864 is 4681451.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 422500 = 1058^2 + 650^2 .

It is not an unprimeable number, because it can be changed into a prime (1541863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309 + ... + 2900.

2^1541864 is an apocalyptic number.

It is an amenable number.

1541864 is a deficient number, since it is larger than the sum of its proper divisors (1427836).

1541864 is a wasteful number, since it uses less digits than its factorization.

1541864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5248 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 1541864 is about 1241.7181644802. The cubic root of 1541864 is about 115.5266081885.

The spelling of 1541864 in words is "one million, five hundred forty-one thousand, eight hundred sixty-four".