1428396 has 12 divisors (see below), whose sum is σ = 3332952. Its totient is φ = 476128.

The previous prime is 1428389. The next prime is 1428409. The reversal of 1428396 is 6938241.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59505 + ... + 59528.

It is an arithmetic number, because the mean of its divisors is an integer number (277746).

2^1428396 is an apocalyptic number.

It is an amenable number.

1428396 is an abundant number, since it is smaller than the sum of its proper divisors (1904556).

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

1428396 is a wasteful number, since it uses less digits than its factorization.

1428396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119040 (or 119038 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1428396 is about 1195.1552200447. The cubic root of 1428396 is about 112.6201777477.

It can be divided in two parts, 142839 and 6, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 1428396 in words is "one million, four hundred twenty-eight thousand, three hundred ninety-six".