1527428 has 18 divisors (see below), whose sum is σ = 3109806. Its totient is φ = 654528.

The previous prime is 1527389. The next prime is 1527443. The reversal of 1527428 is 8247251.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 9604 = 1232^2 + 98^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1527428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3701 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (172767).

2^1527428 is an apocalyptic number.

It is an amenable number.

1527428 is an abundant number, since it is smaller than the sum of its proper divisors (1582378).

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

1527428 is a wasteful number, since it uses less digits than its factorization.

1527428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811 (or 7802 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1527428 is about 1235.8915810054. The cubic root of 1527428 is about 115.1649303294.

The spelling of 1527428 in words is "one million, five hundred twenty-seven thousand, four hundred twenty-eight".