245687932 has 48 divisors (see below), whose sum is σ = 515192832. Its totient is φ = 100235520.

The previous prime is 245687929. The next prime is 245687947. The reversal of 245687932 is 239786542.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154413 + ... + 155995.

It is an arithmetic number, because the mean of its divisors is an integer number (10733184).

Almost surely, 2^245687932 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 245687932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257596416).

245687932 is an abundant number, since it is smaller than the sum of its proper divisors (269504900).

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

245687932 is a wasteful number, since it uses less digits than its factorization.

245687932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1856 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 245687932 is about 15674.4356198238. The cubic root of 245687932 is about 626.3175890228.

The spelling of 245687932 in words is "two hundred forty-five million, six hundred eighty-seven thousand, nine hundred thirty-two".