3722830 has 32 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 1374720.

The previous prime is 3722827. The next prime is 3722833. The reversal of 3722830 is 382273.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3722827) and next prime (3722833).

It is a junction number, because it is equal to n+sod(n) for n = 3722795 and 3722804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722833) 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, 10191 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

Almost surely, 2^3722830 is an apocalyptic number.

3722830 is a deficient number, since it is larger than the sum of its proper divisors (3508850).

3722830 is a wasteful number, since it uses less digits than its factorization.

3722830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3722830 is about 1929.4636560454. The cubic root of 3722830 is about 154.9854998576.

The spelling of 3722830 in words is "three million, seven hundred twenty-two thousand, eight hundred thirty".