1542884 has 12 divisors (see below), whose sum is σ = 3085824. Its totient is φ = 661224.

The previous prime is 1542881. The next prime is 1542889. The reversal of 1542884 is 4882451.

It is a happy number.

1542884 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542881) 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, 27524 + ... + 27579.

It is an arithmetic number, because the mean of its divisors is an integer number (257152).

2^1542884 is an apocalyptic number.

1542884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1542884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1542884 is a wasteful number, since it uses less digits than its factorization.

1542884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55114 (or 55112 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 1542884 is about 1242.1288177963. The cubic root of 1542884 is about 115.5520776128.

Subtracting from 1542884 its product of digits (10240), we obtain a square (1532644 = 1238²).

The spelling of 1542884 in words is "one million, five hundred forty-two thousand, eight hundred eighty-four".