3948330 has 16 divisors (see below), whose sum is σ = 9476064. Its totient is φ = 1052880.

The previous prime is 3948317. The next prime is 3948353. The reversal of 3948330 is 338493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 131611 = 3948330 / (3 + 9 + 4 + 8 + 3 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65776 + ... + 65835.

It is an arithmetic number, because the mean of its divisors is an integer number (592254).

Almost surely, 2^3948330 is an apocalyptic number.

3948330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3948330 is an abundant number, since it is smaller than the sum of its proper divisors (5527734).

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

3948330 is a wasteful number, since it uses less digits than its factorization.

3948330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131621.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3948330 is about 1987.0405129237. The cubic root of 3948330 is about 158.0536323829.

It can be divided in two parts, 3948 and 330, that added together give a triangular number (4278 = T₉₂).

The spelling of 3948330 in words is "three million, nine hundred forty-eight thousand, three hundred thirty".