3998354 has 4 divisors (see below), whose sum is σ = 5997534. Its totient is φ = 1999176.

The previous prime is 3998353. The next prime is 3998369. The reversal of 3998354 is 4538993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 105625 = 1973^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (3998353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999587 + ... + 999590.

Almost surely, 2^3998354 is an apocalyptic number.

3998354 is a deficient number, since it is larger than the sum of its proper divisors (1999180).

3998354 is a wasteful number, since it uses less digits than its factorization.

3998354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999179.

The product of its digits is 116640, while the sum is 41.

The square root of 3998354 is about 1999.5884576582. The cubic root of 3998354 is about 158.7183283584.

The spelling of 3998354 in words is "three million, nine hundred ninety-eight thousand, three hundred fifty-four".