3799890 has 24 divisors (see below), whose sum is σ = 9879948. Its totient is φ = 1013280.

The previous prime is 3799883. The next prime is 3799897. The reversal of 3799890 is 989973.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3799883) and next prime (3799897).

It can be written as a sum of positive squares in 2 ways, for example, as 3560769 + 239121 = 1887^2 + 489^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3799897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21021 + ... + 21200.

Almost surely, 2^3799890 is an apocalyptic number.

3799890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3799890 is an abundant number, since it is smaller than the sum of its proper divisors (6080058).

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

3799890 is a wasteful number, since it uses less digits than its factorization.

3799890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42234 (or 42231 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 3799890 is about 1949.3306543529. The cubic root of 3799890 is about 156.0475693196.

The spelling of 3799890 in words is "three million, seven hundred ninety-nine thousand, eight hundred ninety".