1694048388 has 24 divisors (see below), whose sum is σ = 3954376608. Its totient is φ = 564454656.

The previous prime is 1694048387. The next prime is 1694048399. The reversal of 1694048388 is 8838404961.

It is a self number, because there is not a number n which added to its sum of digits gives 1694048388.

It is not an unprimeable number, because it can be changed into a prime (1694048383) 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, 3895 + ... + 58337.

It is an arithmetic number, because the mean of its divisors is an integer number (164765692).

Almost surely, 2^1694048388 is an apocalyptic number.

It is an amenable number.

1694048388 is an abundant number, since it is smaller than the sum of its proper divisors (2260328220).

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

1694048388 is a wasteful number, since it uses less digits than its factorization.

1694048388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57043 (or 57041 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 1694048388 is about 41158.8190792690. The cubic root of 1694048388 is about 1192.0887891236.

The spelling of 1694048388 in words is "one billion, six hundred ninety-four million, forty-eight thousand, three hundred eighty-eight".