3889740 has 48 divisors (see below), whose sum is σ = 10977120. Its totient is φ = 1029120.

The previous prime is 3889733. The next prime is 3889759. The reversal of 3889740 is 479883.

3889740 = 196² + 197² + ... + 267².

It is an Ulam number.

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, 14326 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

Almost surely, 2^3889740 is an apocalyptic number.

3889740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3889740 is an abundant number, since it is smaller than the sum of its proper divisors (7087380).

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

3889740 is a wasteful number, since it uses less digits than its factorization.

3889740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3889740 is about 1972.2423786137. The cubic root of 3889740 is about 157.2679374073.

The spelling of 3889740 in words is "three million, eight hundred eighty-nine thousand, seven hundred forty".