3549870 has 24 divisors (see below), whose sum is σ = 9229896. Its totient is φ = 946608.

The previous prime is 3549851. The next prime is 3549877. The reversal of 3549870 is 789453.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 4 + 9 + 8 + 7⁴ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19632 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (384579).

Almost surely, 2^3549870 is an apocalyptic number.

3549870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3549870 is an abundant number, since it is smaller than the sum of its proper divisors (5680026).

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

3549870 is a wasteful number, since it uses less digits than its factorization.

3549870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39456 (or 39453 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3549870 is about 1884.1098694078. The cubic root of 3549870 is about 152.5471680665.

The spelling of 3549870 in words is "three million, five hundred forty-nine thousand, eight hundred seventy".