387252739 has 2 divisors, whose sum is σ = 387252740. Its totient is φ = 387252738.

The previous prime is 387252727. The next prime is 387252751. The reversal of 387252739 is 937252783.

It is a balanced prime because it is at equal distance from previous prime (387252727) and next prime (387252751).

It is a cyclic number.

It is not a de Polignac number, because 387252739 - 2⁷ = 387252611 is a prime.

It is not a weakly prime, because it can be changed into another prime (387252769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193626369 + 193626370.

It is an arithmetic number, because the mean of its divisors is an integer number (193626370).

Almost surely, 2^387252739 is an apocalyptic number.

387252739 is a deficient number, since it is larger than the sum of its proper divisors (1).

387252739 is an equidigital number, since it uses as much as digits as its factorization.

387252739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 387252739 is about 19678.7382471540. The cubic root of 387252739 is about 728.8947677370.

The spelling of 387252739 in words is "three hundred eighty-seven million, two hundred fifty-two thousand, seven hundred thirty-nine".