65394000 has 320 divisors, whose sum is σ = 269268480. Its totient is φ = 14860800.

The previous prime is 65393983. The next prime is 65394001. The reversal of 65394000 is 49356.

It is a happy number.

65394000 is a `hidden beast` number, since 653 + 9 + 4 + 0 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65394001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 377914 + ... + 378086.

It is an arithmetic number, because the mean of its divisors is an integer number (841464).

Almost surely, 2^65394000 is an apocalyptic number.

65394000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65394000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134634240).

65394000 is an abundant number, since it is smaller than the sum of its proper divisors (203874480).

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

65394000 is a wasteful number, since it uses less digits than its factorization.

65394000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 65394000 is about 8086.6556746284. The cubic root of 65394000 is about 402.8833327085.

The spelling of 65394000 in words is "sixty-five million, three hundred ninety-four thousand".