340987572 has 72 divisors (see below), whose sum is σ = 879671520. Its totient is φ = 111349440.

The previous prime is 340987571. The next prime is 340987573. The reversal of 340987572 is 275789043.

It is an interprime number because it is at equal distance from previous prime (340987571) and next prime (340987573).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340987571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414922 + ... + 415742.

It is an arithmetic number, because the mean of its divisors is an integer number (12217660).

Almost surely, 2^340987572 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 340987572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439835760).

340987572 is an abundant number, since it is smaller than the sum of its proper divisors (538683948).

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

340987572 is a wasteful number, since it uses less digits than its factorization.

340987572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 340987572 is about 18465.8488025869. The cubic root of 340987572 is about 698.6283152318.

The spelling of 340987572 in words is "three hundred forty million, nine hundred eighty-seven thousand, five hundred seventy-two".