1004269896 has 72 divisors (see below), whose sum is σ = 3163973670. Its totient is φ = 286933248.

The previous prime is 1004269891. The next prime is 1004269897. The reversal of 1004269896 is 6989624001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 906852996 + 97416900 = 30114^2 + 9870^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (1004269891) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 138801 + ... + 145856.

Almost surely, 2^1004269896 is an apocalyptic number.

It is an amenable number.

1004269896 is an abundant number, since it is smaller than the sum of its proper divisors (2159703774).

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

1004269896 is a wasteful number, since it uses less digits than its factorization.

1004269896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284683 (or 284669 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1004269896 is about 31690.2176704421. The cubic root of 1004269896 is about 1001.4212776794.

The spelling of 1004269896 in words is "one billion, four million, two hundred sixty-nine thousand, eight hundred ninety-six".