838887461 has 4 divisors (see below), whose sum is σ = 841291500. Its totient is φ = 836483424.

The previous prime is 838887403. The next prime is 838887463. The reversal of 838887461 is 164788838.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 660798436 + 178089025 = 25706^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 838887461 - 2²² = 834693157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838887463) 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, 1201496 + ... + 1202193.

It is an arithmetic number, because the mean of its divisors is an integer number (210322875).

Almost surely, 2^838887461 is an apocalyptic number.

It is an amenable number.

838887461 is a deficient number, since it is larger than the sum of its proper divisors (2404039).

838887461 is a wasteful number, since it uses less digits than its factorization.

838887461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404038.

The product of its digits is 2064384, while the sum is 53.

The square root of 838887461 is about 28963.5540118957. The cubic root of 838887461 is about 943.1220549975.

The spelling of 838887461 in words is "eight hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred sixty-one".