340215648 has 24 divisors (see below), whose sum is σ = 893066328. Its totient is φ = 113405184.

The previous prime is 340215643. The next prime is 340215709. The reversal of 340215648 is 846512043.

340215648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×340215648³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340215643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771861 + ... + 1772052.

It is an arithmetic number, because the mean of its divisors is an integer number (37211097).

Almost surely, 2^340215648 is an apocalyptic number.

It is an amenable number.

340215648 is an abundant number, since it is smaller than the sum of its proper divisors (552850680).

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

340215648 is a wasteful number, since it uses less digits than its factorization.

340215648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543926 (or 3543918 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 340215648 is about 18444.9355650813. The cubic root of 340215648 is about 698.1007344974.

The spelling of 340215648 in words is "three hundred forty million, two hundred fifteen thousand, six hundred forty-eight".