1542604 has 24 divisors (see below), whose sum is σ = 3170720. Its totient is φ = 642816.

The previous prime is 1542599. The next prime is 1542661. The reversal of 1542604 is 4062451.

It is a plaindrome in base 16.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292 + ... + 1780.

2^1542604 is an apocalyptic number.

1542604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585360).

1542604 is an abundant number, since it is smaller than the sum of its proper divisors (1628116).

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

1542604 is a wasteful number, since it uses less digits than its factorization.

1542604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1542604 is about 1242.0161029552. The cubic root of 1542604 is about 115.5450871242.

The spelling of 1542604 in words is "one million, five hundred forty-two thousand, six hundred four".