1004261964 has 24 divisors (see below), whose sum is σ = 2345516208. Its totient is φ = 334434240.

The previous prime is 1004261963. The next prime is 1004261969. The reversal of 1004261964 is 4691624001.

It is not an unprimeable number, because it can be changed into a prime (1004261963) 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, 26707 + ... + 52170.

It is an arithmetic number, because the mean of its divisors is an integer number (97729842).

Almost surely, 2^1004261964 is an apocalyptic number.

It is an amenable number.

1004261964 is an abundant number, since it is smaller than the sum of its proper divisors (1341254244).

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

1004261964 is a wasteful number, since it uses less digits than its factorization.

1004261964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79945 (or 79943 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1004261964 is about 31690.0925211650. The cubic root of 1004261964 is about 1001.4186411722.

Adding to 1004261964 its reverse (4691624001), we get a palindrome (5695885965).

The spelling of 1004261964 in words is "one billion, four million, two hundred sixty-one thousand, nine hundred sixty-four".