69390 has 32 divisors (see below), whose sum is σ = 185760. Its totient is φ = 18432.

The previous prime is 69389. The next prime is 69401. The reversal of 69390 is 9396.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 398.

It is an arithmetic number, because the mean of its divisors is an integer number (5805).

2⁶⁹³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92880).

69390 is an abundant number, since it is smaller than the sum of its proper divisors (116370).

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

69390 is a wasteful number, since it uses less digits than its factorization.

69390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 69390 is about 263.4198170222. The cubic root of 69390 is about 41.0927900401.

The spelling of 69390 in words is "sixty-nine thousand, three hundred ninety".