1964380362 has 64 divisors (see below), whose sum is σ = 4800466944. Its totient is φ = 523088640.

The previous prime is 1964380349. The next prime is 1964380381. The reversal of 1964380362 is 2630834691.

It is a super-2 number, since 2×1964380362² = 7717580413222502088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60187 + ... + 86897.

It is an arithmetic number, because the mean of its divisors is an integer number (75007296).

Almost surely, 2^1964380362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964380362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400233472).

1964380362 is an abundant number, since it is smaller than the sum of its proper divisors (2836086582).

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

1964380362 is a wasteful number, since it uses less digits than its factorization.

1964380362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26843.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1964380362 is about 44321.3307787571. The cubic root of 1964380362 is about 1252.3965462099.

The spelling of 1964380362 in words is "one billion, nine hundred sixty-four million, three hundred eighty thousand, three hundred sixty-two".