65838460 has 12 divisors (see below), whose sum is σ = 138260808. Its totient is φ = 26335376.

The previous prime is 65838457. The next prime is 65838463. The reversal of 65838460 is 6483856.

It is an interprime number because it is at equal distance from previous prime (65838457) and next prime (65838463).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65838463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645942 + ... + 1645981.

It is an arithmetic number, because the mean of its divisors is an integer number (11521734).

Almost surely, 2^65838460 is an apocalyptic number.

It is an amenable number.

65838460 is an abundant number, since it is smaller than the sum of its proper divisors (72422348).

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

65838460 is a wasteful number, since it uses less digits than its factorization.

65838460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291932 (or 3291930 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 65838460 is about 8114.0902139427. The cubic root of 65838460 is about 403.7940246639.

The spelling of 65838460 in words is "sixty-five million, eight hundred thirty-eight thousand, four hundred sixty".