1428958 has 4 divisors (see below), whose sum is σ = 2143440. Its totient is φ = 714478.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428958 is 8598241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8598241 = 19 ⋅452539.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357238 + ... + 357241.

It is an arithmetic number, because the mean of its divisors is an integer number (535860).

2^1428958 is an apocalyptic number.

1428958 is a deficient number, since it is larger than the sum of its proper divisors (714482).

1428958 is an equidigital number, since it uses as much as digits as its factorization.

1428958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714481.

The product of its digits is 23040, while the sum is 37.

The square root of 1428958 is about 1195.3903128267. The cubic root of 1428958 is about 112.6349458841.

The spelling of 1428958 in words is "one million, four hundred twenty-eight thousand, nine hundred fifty-eight".