1984148260 has 24 divisors (see below), whose sum is σ = 4268340216. Its totient is φ = 774301440.

The previous prime is 1984148213. The next prime is 1984148261. The reversal of 1984148260 is 628414891.

It can be written as a sum of positive squares in 4 ways, for example, as 16516096 + 1967632164 = 4064^2 + 44358^2 .

It is a super-2 number, since 2×1984148260² = 7873688635322055200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1984148261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209027 + ... + 1210666.

It is an arithmetic number, because the mean of its divisors is an integer number (177847509).

Almost surely, 2^1984148260 is an apocalyptic number.

1984148260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1984148260 is an abundant number, since it is smaller than the sum of its proper divisors (2284191956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1984148260 is a wasteful number, since it uses less digits than its factorization.

1984148260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419743 (or 2419741 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1984148260 is about 44543.7791391795. The cubic root of 1984148260 is about 1256.5835599817.

The spelling of 1984148260 in words is "one billion, nine hundred eighty-four million, one hundred forty-eight thousand, two hundred sixty".