3787428 has 24 divisors (see below), whose sum is σ = 8868832. Its totient is φ = 1257984.

The previous prime is 3787417. The next prime is 3787471. The reversal of 3787428 is 8247873.

3787428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3787428² = 28689221710368, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6276 + ... + 6852.

Almost surely, 2^3787428 is an apocalyptic number.

It is an amenable number.

3787428 is an abundant number, since it is smaller than the sum of its proper divisors (5081404).

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

3787428 is a wasteful number, since it uses less digits than its factorization.

3787428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 3787428 is about 1946.1315474551. The cubic root of 3787428 is about 155.8767929218.

The spelling of 3787428 in words is "three million, seven hundred eighty-seven thousand, four hundred twenty-eight".