215464034 has 4 divisors (see below), whose sum is σ = 323196054. Its totient is φ = 107732016.

The previous prime is 215464033. The next prime is 215464049. The reversal of 215464034 is 430464512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 85618009 = 11395^2 + 9253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 215463988 and 215464006.

It is not an unprimeable number, because it can be changed into a prime (215464033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53866007 + ... + 53866010.

Almost surely, 2^215464034 is an apocalyptic number.

215464034 is a deficient number, since it is larger than the sum of its proper divisors (107732020).

215464034 is a wasteful number, since it uses less digits than its factorization.

215464034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107732019.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 215464034 is about 14678.6931979655. The cubic root of 215464034 is about 599.5033241538.

The spelling of 215464034 in words is "two hundred fifteen million, four hundred sixty-four thousand, thirty-four".