1674485397 has 24 divisors (see below), whose sum is σ = 2757979224. Its totient is φ = 969836544.

The previous prime is 1674485381. The next prime is 1674485419. The reversal of 1674485397 is 7935844761.

1674485397 is a `hidden beast` number, since 1 + 6 + 74 + 485 + 3 + 97 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 51926436 + 1622558961 = 7206^2 + 40281^2 .

It is not a de Polignac number, because 1674485397 - 2⁴ = 1674485381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674484397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418948 + ... + 422925.

It is an arithmetic number, because the mean of its divisors is an integer number (114915801).

Almost surely, 2^1674485397 is an apocalyptic number.

1674485397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1674485397 is a deficient number, since it is larger than the sum of its proper divisors (1083493827).

1674485397 is a wasteful number, since it uses less digits than its factorization.

1674485397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841909 (or 841906 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 1674485397 is about 40920.4765001582. The cubic root of 1674485397 is about 1187.4822357749.

The spelling of 1674485397 in words is "one billion, six hundred seventy-four million, four hundred eighty-five thousand, three hundred ninety-seven".