1948790630 has 16 divisors (see below), whose sum is σ = 3508723440. Its totient is φ = 779316192.

The previous prime is 1948790593. The next prime is 1948790647. The reversal of 1948790630 is 360978491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19712 + ... + 65468.

It is an arithmetic number, because the mean of its divisors is an integer number (219295215).

Almost surely, 2^1948790630 is an apocalyptic number.

1948790630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948790630 is a deficient number, since it is larger than the sum of its proper divisors (1559932810).

1948790630 is a wasteful number, since it uses less digits than its factorization.

1948790630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50023.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1948790630 is about 44145.1087890833. The cubic root of 1948790630 is about 1249.0746495503.

The spelling of 1948790630 in words is "one billion, nine hundred forty-eight million, seven hundred ninety thousand, six hundred thirty".