1694374956 has 96 divisors (see below), whose sum is σ = 4487616000. Its totient is φ = 552726720.

The previous prime is 1694374949. The next prime is 1694374973. The reversal of 1694374956 is 6594734961.

1694374956 is a `hidden beast` number, since 169 + 437 + 49 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1141791 + ... + 1143273.

It is an arithmetic number, because the mean of its divisors is an integer number (46746000).

Almost surely, 2^1694374956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694374956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243808000).

1694374956 is an abundant number, since it is smaller than the sum of its proper divisors (2793241044).

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

1694374956 is a wasteful number, since it uses less digits than its factorization.

1694374956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1708 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 1694374956 is about 41162.7860573115. The cubic root of 1694374956 is about 1192.1653853298.

The spelling of 1694374956 in words is "one billion, six hundred ninety-four million, three hundred seventy-four thousand, nine hundred fifty-six".