64984338 has 24 divisors (see below), whose sum is σ = 146922048. Its totient is φ = 20719512.

The previous prime is 64984333. The next prime is 64984343. The reversal of 64984338 is 83348946.

It is an interprime number because it is at equal distance from previous prime (64984333) and next prime (64984343).

It is a junction number, because it is equal to n+sod(n) for n = 64984293 and 64984302.

It is not an unprimeable number, because it can be changed into a prime (64984333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78070 + ... + 78897.

It is an arithmetic number, because the mean of its divisors is an integer number (6121752).

Almost surely, 2^64984338 is an apocalyptic number.

64984338 is an abundant number, since it is smaller than the sum of its proper divisors (81937710).

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

64984338 is a wasteful number, since it uses less digits than its factorization.

64984338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156998 (or 156995 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64984338 is about 8061.2863737743. The cubic root of 64984338 is about 402.0402796203.

The spelling of 64984338 in words is "sixty-four million, nine hundred eighty-four thousand, three hundred thirty-eight".