3698434 has 4 divisors (see below), whose sum is σ = 5547654. Its totient is φ = 1849216.

The previous prime is 3698419. The next prime is 3698441. The reversal of 3698434 is 4348963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4348963 = 71 ⋅61253.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 469225 = 1797^2 + 685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3698393 and 3698402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924607 + ... + 924610.

Almost surely, 2^3698434 is an apocalyptic number.

3698434 is a deficient number, since it is larger than the sum of its proper divisors (1849220).

3698434 is a wasteful number, since it uses less digits than its factorization.

3698434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849219.

The product of its digits is 62208, while the sum is 37.

The square root of 3698434 is about 1923.1313007697. The cubic root of 3698434 is about 154.6462135641.

The spelling of 3698434 in words is "three million, six hundred ninety-eight thousand, four hundred thirty-four".