1238984461 has 18 divisors (see below), whose sum is σ = 1474700010. Its totient is φ = 1039690080.

The previous prime is 1238984459. The next prime is 1238984477. The reversal of 1238984461 is 1644898321.

It can be written as a sum of positive squares in 3 ways, for example, as 54316900 + 1184667561 = 7370^2 + 34419^2 .

It is not a de Polignac number, because 1238984461 - 2¹ = 1238984459 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 (1238984431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9846 + ... + 50743.

Almost surely, 2^1238984461 is an apocalyptic number.

1238984461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1238984461 is a deficient number, since it is larger than the sum of its proper divisors (235715549).

1238984461 is a wasteful number, since it uses less digits than its factorization.

1238984461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60637 (or 60613 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 1238984461 is about 35199.2110849093. The cubic root of 1238984461 is about 1074.0437029310.

The spelling of 1238984461 in words is "one billion, two hundred thirty-eight million, nine hundred eighty-four thousand, four hundred sixty-one".