1674398 has 32 divisors (see below), whose sum is σ = 3004128. Its totient is φ = 696960.

The previous prime is 1674391. The next prime is 1674433. The reversal of 1674398 is 8934761.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45236 + ... + 45272.

It is an arithmetic number, because the mean of its divisors is an integer number (93879).

2^1674398 is an apocalyptic number.

1674398 is a deficient number, since it is larger than the sum of its proper divisors (1329730).

1674398 is a wasteful number, since it uses less digits than its factorization.

1674398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 67 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1674398 is about 1293.9853167637. The cubic root of 1674398 is about 118.7461575857.

Adding to 1674398 its sum of digits (38), we get a square (1674436 = 1294²).

The spelling of 1674398 in words is "one million, six hundred seventy-four thousand, three hundred ninety-eight".