1948697428 has 12 divisors (see below), whose sum is σ = 3474564660. Its totient is φ = 955964672.

The previous prime is 1948697423. The next prime is 1948697441. The reversal of 1948697428 is 8247968491.

It can be written as a sum of positive squares in 2 ways, for example, as 833938884 + 1114758544 = 28878^2 + 33388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948697423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595773 + ... + 4596196.

It is an arithmetic number, because the mean of its divisors is an integer number (289547055).

Almost surely, 2^1948697428 is an apocalyptic number.

It is an amenable number.

1948697428 is a deficient number, since it is larger than the sum of its proper divisors (1525867232).

1948697428 is a wasteful number, since it uses less digits than its factorization.

1948697428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192026 (or 9192024 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 1948697428 is about 44144.0531442232. The cubic root of 1948697428 is about 1249.0547366686.

The spelling of 1948697428 in words is "one billion, nine hundred forty-eight million, six hundred ninety-seven thousand, four hundred twenty-eight".