1428210 has 48 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 326304.

The previous prime is 1428209. The next prime is 1428233. The reversal of 1428210 is 128241.

1428210 = T₂₆₈ + T₂₆₉ + ... + T₃₀₂.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2^1428210 is an apocalyptic number.

1428210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428210 is an abundant number, since it is smaller than the sum of its proper divisors (2817486).

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

1428210 is a wasteful number, since it uses less digits than its factorization.

1428210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1428210 is about 1195.0774033509. The cubic root of 1428210 is about 112.6152892195.

It can be divided in two parts, 14 and 28210, that added together give a square (28224 = 168²).

The spelling of 1428210 in words is "one million, four hundred twenty-eight thousand, two hundred ten".