1428742 has 24 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 599760.

The previous prime is 1428709. The next prime is 1428751. The reversal of 1428742 is 2478241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5859 + ... + 6097.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

2^1428742 is an apocalyptic number.

1428742 is a deficient number, since it is larger than the sum of its proper divisors (1115738).

1428742 is a wasteful number, since it uses less digits than its factorization.

1428742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 309 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1428742 is about 1195.2999623525. The cubic root of 1428742 is about 112.6292703325.

The spelling of 1428742 in words is "one million, four hundred twenty-eight thousand, seven hundred forty-two".