378282739 has 16 divisors (see below), whose sum is σ = 402248704. Its totient is φ = 355168800.

The previous prime is 378282721. The next prime is 378282763. The reversal of 378282739 is 937282873.

It is a cyclic number.

It is not a de Polignac number, because 378282739 - 2¹⁷ = 378151667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378282692 and 378282701.

It is not an unprimeable number, because it can be changed into a prime (378282719) 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, 216409 + ... + 218149.

It is an arithmetic number, because the mean of its divisors is an integer number (25140544).

Almost surely, 2^378282739 is an apocalyptic number.

378282739 is a deficient number, since it is larger than the sum of its proper divisors (23965965).

378282739 is a wasteful number, since it uses less digits than its factorization.

378282739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its digits is 1016064, while the sum is 49.

The square root of 378282739 is about 19449.4919985073. The cubic root of 378282739 is about 723.2229097767. Note that the first 3 decimals are identical.

The spelling of 378282739 in words is "three hundred seventy-eight million, two hundred eighty-two thousand, seven hundred thirty-nine".