3801642 has 64 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 1059840.

The previous prime is 3801631. The next prime is 3801661. The reversal of 3801642 is 2461083.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62292 + ... + 62352.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

Almost surely, 2^3801642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3801642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712).

3801642 is an abundant number, since it is smaller than the sum of its proper divisors (5197782).

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

3801642 is a wasteful number, since it uses less digits than its factorization.

3801642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3801642 is about 1949.7799875883. The cubic root of 3801642 is about 156.0715483764.

The spelling of 3801642 in words is "three million, eight hundred one thousand, six hundred forty-two".