1528974 has 24 divisors (see below), whose sum is σ = 3338712. Its totient is φ = 505680.

The previous prime is 1528939. The next prime is 1528979. The reversal of 1528974 is 4798251.

It is a super-2 number, since 2×1528974² = 4675522985352, which contains 22 as substring.

Its product of digits (20160) is a multiple of the sum of its prime factors (672).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528979) 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 11 ways as a sum of consecutive naturals, for example, 2869 + ... + 3359.

It is an arithmetic number, because the mean of its divisors is an integer number (139113).

2^1528974 is an apocalyptic number.

1528974 is an abundant number, since it is smaller than the sum of its proper divisors (1809738).

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

1528974 is a wasteful number, since it uses less digits than its factorization.

1528974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1528974 is about 1236.5168822139. The cubic root of 1528974 is about 115.2037723012.

The spelling of 1528974 in words is "one million, five hundred twenty-eight thousand, nine hundred seventy-four".