3542778 has 40 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 1117800.

The previous prime is 3542771. The next prime is 3542779. The reversal of 3542778 is 8772453.

It is a super-3 number, since 3×3542778³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3542771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2503 + ... + 3653.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

Almost surely, 2^3542778 is an apocalyptic number.

3542778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3542778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181760).

3542778 is an abundant number, since it is smaller than the sum of its proper divisors (4820742).

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

3542778 is a wasteful number, since it uses less digits than its factorization.

3542778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1175 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3542778 is about 1882.2268726166. The cubic root of 3542778 is about 152.4455130976.

The spelling of 3542778 in words is "three million, five hundred forty-two thousand, seven hundred seventy-eight".