3551912 has 96 divisors (see below), whose sum is σ = 9049320. Its totient is φ = 1290240.

The previous prime is 3551909. The next prime is 3551921. The reversal of 3551912 is 2191553.

It can be written as a sum of positive squares in 4 ways, for example, as 1999396 + 1552516 = 1414^2 + 1246^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86612 + ... + 86652.

Almost surely, 2^3551912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4524660).

3551912 is an abundant number, since it is smaller than the sum of its proper divisors (5497408).

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

3551912 is a wasteful number, since it uses less digits than its factorization.

3551912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 80 counting only the distinct ones).

The product of its digits is 1350, while the sum is 26.

The square root of 3551912 is about 1884.6516919580. The cubic root of 3551912 is about 152.5764124808.

The spelling of 3551912 in words is "three million, five hundred fifty-one thousand, nine hundred twelve".