253947000 has 64 divisors (see below), whose sum is σ = 792324000. Its totient is φ = 67718400.

The previous prime is 253946981. The next prime is 253947007. The reversal of 253947000 is 749352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253947007) 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, 39325 + ... + 45324.

Almost surely, 2^253947000 is an apocalyptic number.

253947000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253947000 is an abundant number, since it is smaller than the sum of its proper divisors (538377000).

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

253947000 is a wasteful number, since it uses less digits than its factorization.

253947000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84673 (or 84659 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 253947000 is about 15935.7146058782. The cubic root of 253947000 is about 633.2585014694.

The spelling of 253947000 in words is "two hundred fifty-three million, nine hundred forty-seven thousand".