3894342 has 16 divisors (see below), whose sum is σ = 7817472. Its totient is φ = 1293320.

The previous prime is 3894329. The next prime is 3894347. The reversal of 3894342 is 2434983.

It is a super-2 number, since 2×3894342² = 30331799225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894347) 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, 823 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (488592).

Almost surely, 2^3894342 is an apocalyptic number.

3894342 is an abundant number, since it is smaller than the sum of its proper divisors (3923130).

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

3894342 is a wasteful number, since it uses less digits than its factorization.

3894342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its digits is 20736, while the sum is 33.

The square root of 3894342 is about 1973.4087260373. The cubic root of 3894342 is about 157.3299348511.

The spelling of 3894342 in words is "three million, eight hundred ninety-four thousand, three hundred forty-two".