840970461 has 16 divisors (see below), whose sum is σ = 1146087360. Its totient is φ = 548353920.

The previous prime is 840970423. The next prime is 840970463. The reversal of 840970461 is 164079048.

It is a happy number.

It is not a de Polignac number, because 840970461 - 2⁶ = 840970397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840970463) 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, 19921 + ... + 45593.

It is an arithmetic number, because the mean of its divisors is an integer number (71630460).

Almost surely, 2^840970461 is an apocalyptic number.

It is an amenable number.

840970461 is a deficient number, since it is larger than the sum of its proper divisors (305116899).

840970461 is a wasteful number, since it uses less digits than its factorization.

840970461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25916.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 840970461 is about 28999.4907024244. The cubic root of 840970461 is about 943.9020163819.

The spelling of 840970461 in words is "eight hundred forty million, nine hundred seventy thousand, four hundred sixty-one".