470215389 has 16 divisors (see below), whose sum is σ = 728266880. Its totient is φ = 264288960.

The previous prime is 470215379. The next prime is 470215433. The reversal of 470215389 is 983512074.

It is not a de Polignac number, because 470215389 - 2¹⁵ = 470182621 is a prime.

It is a super-2 number, since 2×470215389² = 442205024104842642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470215349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182254 + ... + 184815.

It is an arithmetic number, because the mean of its divisors is an integer number (45516680).

Almost surely, 2^470215389 is an apocalyptic number.

It is an amenable number.

470215389 is a deficient number, since it is larger than the sum of its proper divisors (258051491).

470215389 is a wasteful number, since it uses less digits than its factorization.

470215389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367140.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 470215389 is about 21684.4503965399. The cubic root of 470215389 is about 777.6167607582.

The spelling of 470215389 in words is "four hundred seventy million, two hundred fifteen thousand, three hundred eighty-nine".