3547442 has 4 divisors (see below), whose sum is σ = 5321166. Its totient is φ = 1773720.

The previous prime is 3547429. The next prime is 3547459. The reversal of 3547442 is 2447453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2447453 = 23 ⋅106411.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 346921 = 1789^2 + 589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886859 + ... + 886862.

Almost surely, 2^3547442 is an apocalyptic number.

3547442 is a deficient number, since it is larger than the sum of its proper divisors (1773724).

3547442 is a wasteful number, since it uses less digits than its factorization.

3547442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773723.

The product of its digits is 13440, while the sum is 29.

The square root of 3547442 is about 1883.4654230965. The cubic root of 3547442 is about 152.5123809710.

The spelling of 3547442 in words is "three million, five hundred forty-seven thousand, four hundred forty-two".