1235849472 has 432 divisors, whose sum is σ = 4356957696. Its totient is φ = 334540800.

The previous prime is 1235849401. The next prime is 1235849477. The reversal of 1235849472 is 2749485321.

1235849472 is a `hidden beast` number, since 1 + 23 + 584 + 9 + 47 + 2 = 666.

Its product of digits (483840) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (1235849477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39866097 + ... + 39866127.

Almost surely, 2^1235849472 is an apocalyptic number.

1235849472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235849472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178478848).

1235849472 is an abundant number, since it is smaller than the sum of its proper divisors (3121108224).

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

1235849472 is a wasteful number, since it uses less digits than its factorization.

1235849472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 60 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1235849472 is about 35154.6507876269. The cubic root of 1235849472 is about 1073.1370574149.

It can be divided in two parts, 1235849 and 472, that added together give a palindrome (1236321).

The spelling of 1235849472 in words is "one billion, two hundred thirty-five million, eight hundred forty-nine thousand, four hundred seventy-two".