216747354 has 16 divisors (see below), whose sum is σ = 452342592. Its totient is φ = 69107808.

The previous prime is 216747353. The next prime is 216747359. The reversal of 216747354 is 453747612.

216747354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216747353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785179 + ... + 785454.

It is an arithmetic number, because the mean of its divisors is an integer number (28271412).

Almost surely, 2^216747354 is an apocalyptic number.

216747354 is an abundant number, since it is smaller than the sum of its proper divisors (235595238).

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

216747354 is a wasteful number, since it uses less digits than its factorization.

216747354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570661.

The product of its digits is 141120, while the sum is 39.

The square root of 216747354 is about 14722.3420011899. The cubic root of 216747354 is about 600.6911978812.

The spelling of 216747354 in words is "two hundred sixteen million, seven hundred forty-seven thousand, three hundred fifty-four".