64349862 has 64 divisors (see below), whose sum is σ = 143990784. Its totient is φ = 19077120.

The previous prime is 64349861. The next prime is 64349863. The reversal of 64349862 is 26894346.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64349861) and next prime (64349863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64349861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148398 + ... + 148830.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 2^64349862 is an apocalyptic number.

64349862 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64349862 is an abundant number, since it is smaller than the sum of its proper divisors (79640922).

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

64349862 is a wasteful number, since it uses less digits than its factorization.

64349862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its digits is 248832, while the sum is 42.

The square root of 64349862 is about 8021.8365727556. The cubic root of 64349862 is about 400.7275550235.

It can be divided in two parts, 643 and 49862, that added together give a palindrome (50505).

The spelling of 64349862 in words is "sixty-four million, three hundred forty-nine thousand, eight hundred sixty-two".