3994416 has 30 divisors (see below), whose sum is σ = 11179220. Its totient is φ = 1331424.

The previous prime is 3994411. The next prime is 3994421. The reversal of 3994416 is 6144993.

It is an interprime number because it is at equal distance from previous prime (3994411) and next prime (3994421).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3994411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13726 + ... + 14013.

Almost surely, 2^3994416 is an apocalyptic number.

3994416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3994416 is an abundant number, since it is smaller than the sum of its proper divisors (7184804).

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

3994416 is a wasteful number, since it uses less digits than its factorization.

3994416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753 (or 27744 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3994416 is about 1998.6035124556. The cubic root of 3994416 is about 158.6662037350. Note that the first 3 decimals are identical.

The spelling of 3994416 in words is "three million, nine hundred ninety-four thousand, four hundred sixteen".