93428 has 6 divisors (see below), whose sum is σ = 163506. Its totient is φ = 46712.

The previous prime is 93427. The next prime is 93463. The reversal of 93428 is 82439.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 4624 = 298^2 + 68^2 .

It is a d-powerful number, because it can be written as 9 + 3⁹ + 4⁸ + 2¹³ + 8 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 93397 and 93406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (27251).

2⁹³⁴²⁸ is an apocalyptic number.

It is an amenable number.

93428 is a deficient number, since it is larger than the sum of its proper divisors (70078).

93428 is a wasteful number, since it uses less digits than its factorization.

93428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23361 (or 23359 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 93428 is about 305.6599417654. The cubic root of 93428 is about 45.3759451318.

The spelling of 93428 in words is "ninety-three thousand, four hundred twenty-eight".