3739999 has 2 divisors, whose sum is σ = 3740000. Its totient is φ = 3739998.

The previous prime is 3739993. The next prime is 3740021. The reversal of 3739999 is 9999373.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3739999 - 2³ = 3739991 is a prime.

It is a Chen prime.

3739999 is a modest number, since divided by 9999 gives 373 as remainder.

3739999 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3739991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1869999 + 1870000.

It is an arithmetic number, because the mean of its divisors is an integer number (1870000).

Almost surely, 2^3739999 is an apocalyptic number.

3739999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3739999 is an equidigital number, since it uses as much as digits as its factorization.

3739999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 413343, while the sum is 49.

The square root of 3739999 is about 1933.9077020375. The cubic root of 3739999 is about 155.2233893036.

The spelling of 3739999 in words is "three million, seven hundred thirty-nine thousand, nine hundred ninety-nine".