2356428 has 24 divisors (see below), whose sum is σ = 5544000. Its totient is φ = 778960.

The previous prime is 2356427. The next prime is 2356429. The reversal of 2356428 is 8246532.

It is an interprime number because it is at equal distance from previous prime (2356427) and next prime (2356429).

It is a d-powerful number, because it can be written as 2¹² + 3⁹ + 5⁸ + 6⁸ + 4⁴ + 2¹⁸ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2356395 and 2356404.

It is not an unprimeable number, because it can be changed into a prime (2356423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

2^2356428 is an apocalyptic number.

It is an amenable number.

2356428 is an abundant number, since it is smaller than the sum of its proper divisors (3187572).

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

2356428 is a wasteful number, since it uses less digits than its factorization.

2356428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1635 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2356428 is about 1535.0661223543. The cubic root of 2356428 is about 133.0713996565.

The spelling of 2356428 in words is "two million, three hundred fifty-six thousand, four hundred twenty-eight".