2345428 has 12 divisors (see below), whose sum is σ = 4141620. Its totient is φ = 1162112.

The previous prime is 2345401. The next prime is 2345443. The reversal of 2345428 is 8245432.

2345428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 1567504 = 882^2 + 1252^2 .

It is a d-powerful number, because it can be written as 2¹⁶ + 3¹³ + 4² + 5⁸ + 4² + 2¹⁸ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2345396 and 2345405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (345135).

2^2345428 is an apocalyptic number.

It is an amenable number.

2345428 is a deficient number, since it is larger than the sum of its proper divisors (1796192).

2345428 is a wasteful number, since it uses less digits than its factorization.

2345428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306 (or 5304 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2345428 is about 1531.4790236892. The cubic root of 2345428 is about 132.8640138714.

It can be divided in two parts, 23 and 45428, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 2345428 in words is "two million, three hundred forty-five thousand, four hundred twenty-eight".