64283967 has 24 divisors (see below), whose sum is σ = 101554128. Its totient is φ = 38860800.

The previous prime is 64283963. The next prime is 64283977. The reversal of 64283967 is 76938246.

It is not a de Polignac number, because 64283967 - 2² = 64283963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64283963) 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 23 ways as a sum of consecutive naturals, for example, 62953 + ... + 63965.

It is an arithmetic number, because the mean of its divisors is an integer number (4231422).

Almost surely, 2^64283967 is an apocalyptic number.

64283967 is a deficient number, since it is larger than the sum of its proper divisors (37270161).

64283967 is a wasteful number, since it uses less digits than its factorization.

64283967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1668 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 64283967 is about 8017.7282942240. The cubic root of 64283967 is about 400.5907250969.

The spelling of 64283967 in words is "sixty-four million, two hundred eighty-three thousand, nine hundred sixty-seven".