64849031 has 8 divisors (see below), whose sum is σ = 71462160. Its totient is φ = 58468032.

The previous prime is 64849027. The next prime is 64849063. The reversal of 64849031 is 13094846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64849031 - 2² = 64849027 is a prime.

It is a super-2 number, since 2×64849031² = 8410793643277922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64848982 and 64849000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64849091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57446 + ... + 58563.

It is an arithmetic number, because the mean of its divisors is an integer number (8932770).

Almost surely, 2^64849031 is an apocalyptic number.

64849031 is a deficient number, since it is larger than the sum of its proper divisors (6613129).

64849031 is a wasteful number, since it uses less digits than its factorization.

64849031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116065.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 64849031 is about 8052.8896056012. The cubic root of 64849031 is about 401.7610499627.

The spelling of 64849031 in words is "sixty-four million, eight hundred forty-nine thousand, thirty-one".