1542216 has 32 divisors (see below), whose sum is σ = 4152960. Its totient is φ = 474432.

The previous prime is 1542193. The next prime is 1542217. The reversal of 1542216 is 6122451.

It is a junction number, because it is equal to n+sod(n) for n = 1542192 and 1542201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (129780).

2^1542216 is an apocalyptic number.

It is an amenable number.

1542216 is an abundant number, since it is smaller than the sum of its proper divisors (2610744).

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

1542216 is a wasteful number, since it uses less digits than its factorization.

1542216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 4961 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1542216 is about 1241.8598954794. The cubic root of 1542216 is about 115.5353989059.

Adding to 1542216 its reverse (6122451), we get a palindrome (7664667).

The spelling of 1542216 in words is "one million, five hundred forty-two thousand, two hundred sixteen".