340212972 has 96 divisors (see below), whose sum is σ = 907296768. Its totient is φ = 98280000.

The previous prime is 340212967. The next prime is 340212973. The reversal of 340212972 is 279212043.

It is not an unprimeable number, because it can be changed into a prime (340212973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289947 + ... + 291117.

It is an arithmetic number, because the mean of its divisors is an integer number (9451008).

Almost surely, 2^340212972 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 340212972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453648384).

340212972 is an abundant number, since it is smaller than the sum of its proper divisors (567083796).

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

340212972 is a wasteful number, since it uses less digits than its factorization.

340212972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 340212972 is about 18444.8630247015. The cubic root of 340212972 is about 698.0989041657.

It can be divided in two parts, 340 and 212972, that added together give a palindrome (213312).

The spelling of 340212972 in words is "three hundred forty million, two hundred twelve thousand, nine hundred seventy-two".