215485467 has 12 divisors (see below), whose sum is σ = 291684456. Its totient is φ = 141504000.

The previous prime is 215485453. The next prime is 215485471. The reversal of 215485467 is 764584512.

It is a happy number.

It is not a de Polignac number, because 215485467 - 2¹⁰ = 215484443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215485667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5467 + ... + 21467.

It is an arithmetic number, because the mean of its divisors is an integer number (24307038).

Almost surely, 2^215485467 is an apocalyptic number.

215485467 is a deficient number, since it is larger than the sum of its proper divisors (76198989).

215485467 is an equidigital number, since it uses as much as digits as its factorization.

215485467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138 (or 16071 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 215485467 is about 14679.4232516131. The cubic root of 215485467 is about 599.5232017617.

The spelling of 215485467 in words is "two hundred fifteen million, four hundred eighty-five thousand, four hundred sixty-seven".