470084921 has 4 divisors (see below), whose sum is σ = 471269412. Its totient is φ = 468900432.

The previous prime is 470084903. The next prime is 470084933. The reversal of 470084921 is 129480074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 129480074 = 2 ⋅64740037.

It can be written as a sum of positive squares in 2 ways, for example, as 273075625 + 197009296 = 16525^2 + 14036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470084921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470084941) 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, 591650 + ... + 592443.

It is an arithmetic number, because the mean of its divisors is an integer number (117817353).

Almost surely, 2^470084921 is an apocalyptic number.

It is an amenable number.

470084921 is a deficient number, since it is larger than the sum of its proper divisors (1184491).

470084921 is a wasteful number, since it uses less digits than its factorization.

470084921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184490.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 470084921 is about 21681.4418570352. The cubic root of 470084921 is about 777.5448337997.

The spelling of 470084921 in words is "four hundred seventy million, eighty-four thousand, nine hundred twenty-one".