2071428 has 12 divisors (see below), whose sum is σ = 4833360. Its totient is φ = 690472.

The previous prime is 2071427. The next prime is 2071429. The reversal of 2071428 is 8241702.

It is an interprime number because it is at equal distance from previous prime (2071427) and next prime (2071429).

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 = 2071398 and 2071407.

It is not an unprimeable number, because it can be changed into a prime (2071427) 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, 86298 + ... + 86321.

It is an arithmetic number, because the mean of its divisors is an integer number (402780).

2^2071428 is an apocalyptic number.

It is an amenable number.

2071428 is an abundant number, since it is smaller than the sum of its proper divisors (2761932).

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

2071428 is a wasteful number, since it uses less digits than its factorization.

2071428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172626 (or 172624 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2071428 is about 1439.2456357412. The cubic root of 2071428 is about 127.4744893213.

The spelling of 2071428 in words is "two million, seventy-one thousand, four hundred twenty-eight".