3730399 has 4 divisors (see below), whose sum is σ = 3752136. Its totient is φ = 3708664.

The previous prime is 3730387. The next prime is 3730423. The reversal of 3730399 is 9930373.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3730399 - 2⁵ = 3730367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10609 + ... + 10954.

It is an arithmetic number, because the mean of its divisors is an integer number (938034).

Almost surely, 2^3730399 is an apocalyptic number.

3730399 is a deficient number, since it is larger than the sum of its proper divisors (21737).

3730399 is a wasteful number, since it uses less digits than its factorization.

3730399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 3730399 is about 1931.4240860049. The cubic root of 3730399 is about 155.0904640142.

The spelling of 3730399 in words is "three million, seven hundred thirty thousand, three hundred ninety-nine".