3938460 has 48 divisors (see below), whose sum is σ = 11303712. Its totient is φ = 1024000.

The previous prime is 3938449. The next prime is 3938471. The reversal of 3938460 is 648393.

It is an interprime number because it is at equal distance from previous prime (3938449) and next prime (3938471).

It is a super-2 number, since 2×3938460² = 31022934343200, which contains 22 as substring.

It is a congruent 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, 1660 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (235494).

Almost surely, 2^3938460 is an apocalyptic number.

3938460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3938460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651856).

3938460 is an abundant number, since it is smaller than the sum of its proper divisors (7365252).

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

3938460 is a wasteful number, since it uses less digits than its factorization.

3938460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3938460 is about 1984.5553658188. Note that the first 3 decimals coincide. The cubic root of 3938460 is about 157.9218221371.

The spelling of 3938460 in words is "three million, nine hundred thirty-eight thousand, four hundred sixty".