1906876530 has 48 divisors (see below), whose sum is σ = 5339257560. Its totient is φ = 469384704.

The previous prime is 1906876529. The next prime is 1906876541. The reversal of 1906876530 is 356786091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1615798809 + 291077721 = 40197^2 + 17061^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813735 + ... + 816074.

Almost surely, 2^1906876530 is an apocalyptic number.

1906876530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906876530 is an abundant number, since it is smaller than the sum of its proper divisors (3432381030).

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

1906876530 is a wasteful number, since it uses less digits than its factorization.

1906876530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629835 (or 1629832 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1906876530 is about 43667.7974026628. The cubic root of 1906876530 is about 1240.0547430740.

The spelling of 1906876530 in words is "one billion, nine hundred six million, eight hundred seventy-six thousand, five hundred thirty".