1542648 has 64 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 456192.

The previous prime is 1542599. The next prime is 1542661. The reversal of 1542648 is 8462451.

Its product of digits (7680) is a multiple of the sum of its prime divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7653 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (67500).

2^1542648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160000).

1542648 is an abundant number, since it is smaller than the sum of its proper divisors (2777352).

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

1542648 is a wasteful number, since it uses less digits than its factorization.

1542648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 240 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 1542648 is about 1242.0338159648. The cubic root of 1542648 is about 115.5461856856.

The spelling of 1542648 in words is "one million, five hundred forty-two thousand, six hundred forty-eight".