3892428 has 48 divisors (see below), whose sum is σ = 10536960. Its totient is φ = 1240272.

The previous prime is 3892411. The next prime is 3892457. The reversal of 3892428 is 8242983.

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

It is a junction number, because it is equal to n+sod(n) for n = 3892392 and 3892401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (219520).

Almost surely, 2^3892428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3892428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5268480).

3892428 is an abundant number, since it is smaller than the sum of its proper divisors (6644532).

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

3892428 is a wasteful number, since it uses less digits than its factorization.

3892428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1595 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3892428 is about 1972.9237187484. The cubic root of 3892428 is about 157.3041556701.

The spelling of 3892428 in words is "three million, eight hundred ninety-two thousand, four hundred twenty-eight".