3903448890 has 32 divisors (see below), whose sum is σ = 10219939776. Its totient is φ = 946290560.

The previous prime is 3903448889. The next prime is 3903448891. The reversal of 3903448890 is 988443093.

It is an interprime number because it is at equal distance from previous prime (3903448889) and next prime (3903448891).

It is not an unprimeable number, because it can be changed into a prime (3903448891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913987 + ... + 5914646.

It is an arithmetic number, because the mean of its divisors is an integer number (319373118).

Almost surely, 2^3903448890 is an apocalyptic number.

3903448890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3903448890 is an abundant number, since it is smaller than the sum of its proper divisors (6316490886).

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

3903448890 is a wasteful number, since it uses less digits than its factorization.

3903448890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828654.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 3903448890 is about 62477.5871012958. The cubic root of 3903448890 is about 1574.5247767568.

The spelling of 3903448890 in words is "three billion, nine hundred three million, four hundred forty-eight thousand, eight hundred ninety".