1407828 has 12 divisors (see below), whose sum is σ = 3284960. Its totient is φ = 469272.

The previous prime is 1407827. The next prime is 1407829. The reversal of 1407828 is 8287041.

It is an interprime number because it is at equal distance from previous prime (1407827) and next prime (1407829).

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

It is a junction number, because it is equal to n+sod(n) for n = 1407795 and 1407804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58648 + ... + 58671.

2^1407828 is an apocalyptic number.

It is an amenable number.

1407828 is an abundant number, since it is smaller than the sum of its proper divisors (1877132).

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

1407828 is a wasteful number, since it uses less digits than its factorization.

1407828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117326 (or 117324 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1407828 is about 1186.5192792365. The cubic root of 1407828 is about 112.0770091127.

The spelling of 1407828 in words is "one million, four hundred seven thousand, eight hundred twenty-eight".