1948940930 has 8 divisors (see below), whose sum is σ = 3508093692. Its totient is φ = 779576368.

The previous prime is 1948940881. The next prime is 1948940951. The reversal of 1948940930 is 390498491.

It can be written as a sum of positive squares in 2 ways, for example, as 1941547969 + 7392961 = 44063^2 + 2719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97447037 + ... + 97447056.

Almost surely, 2^1948940930 is an apocalyptic number.

1948940930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948940930 is a deficient number, since it is larger than the sum of its proper divisors (1559152762).

1948940930 is a wasteful number, since it uses less digits than its factorization.

1948940930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194894100.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1948940930 is about 44146.8110966126. The cubic root of 1948940930 is about 1249.1067602502.

The spelling of 1948940930 in words is "one billion, nine hundred forty-eight million, nine hundred forty thousand, nine hundred thirty".