3662994 has 16 divisors (see below), whose sum is σ = 7427232. Its totient is φ = 1204128.

The previous prime is 3662987. The next prime is 3662999. The reversal of 3662994 is 4992663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3662999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3744 + ... + 4619.

It is an arithmetic number, because the mean of its divisors is an integer number (464202).

Almost surely, 2^3662994 is an apocalyptic number.

3662994 is an abundant number, since it is smaller than the sum of its proper divisors (3764238).

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

3662994 is a wasteful number, since it uses less digits than its factorization.

3662994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its digits is 69984, while the sum is 39.

The square root of 3662994 is about 1913.8949814449. The cubic root of 3662994 is about 154.1506649409.

It can be divided in two parts, 3662 and 994, that added together give a triangular number (4656 = T₉₆).

The spelling of 3662994 in words is "three million, six hundred sixty-two thousand, nine hundred ninety-four".