3951126 has 32 divisors (see below), whose sum is σ = 9244800. Its totient is φ = 1247400.

The previous prime is 3951121. The next prime is 3951127. The reversal of 3951126 is 6211593.

It is a super-2 number, since 2×3951126² = 31222793335752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3951126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (288900).

Almost surely, 2^3951126 is an apocalyptic number.

3951126 is an abundant number, since it is smaller than the sum of its proper divisors (5293674).

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

3951126 is a wasteful number, since it uses less digits than its factorization.

3951126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3875 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 3951126 is about 1987.7439472930. The cubic root of 3951126 is about 158.0909320077.

It can be divided in two parts, 395 and 1126, that added together give a square (1521 = 39²).

The spelling of 3951126 in words is "three million, nine hundred fifty-one thousand, one hundred twenty-six".