1428964 has 6 divisors (see below), whose sum is σ = 2500694. Its totient is φ = 714480.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428964 is 4698241.

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 8100 = 1192^2 + 90^2 .

It is a super-2 number, since 2×1428964² = 4083876226592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178617 + ... + 178624.

2^1428964 is an apocalyptic number.

It is an amenable number.

1428964 is a deficient number, since it is larger than the sum of its proper divisors (1071730).

1428964 is a wasteful number, since it uses less digits than its factorization.

1428964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357245 (or 357243 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1428964 is about 1195.3928224646. The cubic root of 1428964 is about 112.6351035301.

The spelling of 1428964 in words is "one million, four hundred twenty-eight thousand, nine hundred sixty-four".