379953729 has 6 divisors (see below), whose sum is σ = 548822066. Its totient is φ = 253302480.

The previous prime is 379953677. The next prime is 379953751. The reversal of 379953729 is 927359973.

It can be written as a sum of positive squares in only one way, i.e., 321843600 + 58110129 = 17940^2 + 7623^2 .

It is not a de Polignac number, because 379953729 - 2⁸ = 379953473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (379953529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21108532 + ... + 21108549.

Almost surely, 2^379953729 is an apocalyptic number.

It is an amenable number.

379953729 is a deficient number, since it is larger than the sum of its proper divisors (168868337).

379953729 is a wasteful number, since it uses less digits than its factorization.

379953729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42217087 (or 42217084 counting only the distinct ones).

The product of its digits is 3214890, while the sum is 54.

The square root of 379953729 is about 19492.4018273788. The cubic root of 379953729 is about 724.2862441954.

The spelling of 379953729 in words is "three hundred seventy-nine million, nine hundred fifty-three thousand, seven hundred twenty-nine".