253684004 has 48 divisors (see below), whose sum is σ = 530331648. Its totient is φ = 103910688.

The previous prime is 253684001. The next prime is 253684007. The reversal of 253684004 is 400486352.

It is an interprime number because it is at equal distance from previous prime (253684001) and next prime (253684007).

It is not an unprimeable number, because it can be changed into a prime (253684001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54347 + ... + 58829.

It is an arithmetic number, because the mean of its divisors is an integer number (11048576).

Almost surely, 2^253684004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253684004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265165824).

253684004 is an abundant number, since it is smaller than the sum of its proper divisors (276647644).

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

253684004 is a wasteful number, since it uses less digits than its factorization.

253684004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 253684004 is about 15927.4606890113. The cubic root of 253684004 is about 633.0398180710.

The spelling of 253684004 in words is "two hundred fifty-three million, six hundred eighty-four thousand, four".