3549378 has 16 divisors (see below), whose sum is σ = 8112960. Its totient is φ = 1014096.

The previous prime is 3549347. The next prime is 3549401. The reversal of 3549378 is 8739453.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42213 + ... + 42296.

It is an arithmetic number, because the mean of its divisors is an integer number (507060).

Almost surely, 2^3549378 is an apocalyptic number.

3549378 is an abundant number, since it is smaller than the sum of its proper divisors (4563582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3549378 is a wasteful number, since it uses less digits than its factorization.

3549378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84521.

The product of its digits is 90720, while the sum is 39.

The square root of 3549378 is about 1883.9792992493. The cubic root of 3549378 is about 152.5401202333.

The spelling of 3549378 in words is "three million, five hundred forty-nine thousand, three hundred seventy-eight".