64493948 has 12 divisors (see below), whose sum is σ = 113315832. Its totient is φ = 32118000.

The previous prime is 64493927. The next prime is 64493969. The reversal of 64493948 is 84939446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64493927) and next prime (64493969).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31115 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (9442986).

Almost surely, 2^64493948 is an apocalyptic number.

It is an amenable number.

64493948 is a deficient number, since it is larger than the sum of its proper divisors (48821884).

64493948 is a wasteful number, since it uses less digits than its factorization.

64493948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64492 (or 64490 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 64493948 is about 8030.8124122034. The cubic root of 64493948 is about 401.0264222240.

The spelling of 64493948 in words is "sixty-four million, four hundred ninety-three thousand, nine hundred forty-eight".