1428957 has 12 divisors (see below), whose sum is σ = 2077920. Its totient is φ = 946248.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428957 is 7598241.

It is not a de Polignac number, because 1428957 - 2² = 1428953 is a prime.

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 in 11 ways as a sum of consecutive naturals, for example, 1168 + ... + 2054.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^1428957 is an apocalyptic number.

It is an amenable number.

1428957 is a deficient number, since it is larger than the sum of its proper divisors (648963).

1428957 is a wasteful number, since it uses less digits than its factorization.

1428957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1069 counting only the distinct ones).

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

The square root of 1428957 is about 1195.3898945532. The cubic root of 1428957 is about 112.6349196097.

The spelling of 1428957 in words is "one million, four hundred twenty-eight thousand, nine hundred fifty-seven".