399741303 has 16 divisors (see below), whose sum is σ = 589502816. Its totient is φ = 239345280.

The previous prime is 399741271. The next prime is 399741319. The reversal of 399741303 is 303147993.

It is not a de Polignac number, because 399741303 - 2⁵ = 399741271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399745303) 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, 137068 + ... + 139953.

It is an arithmetic number, because the mean of its divisors is an integer number (36843926).

Almost surely, 2^399741303 is an apocalyptic number.

399741303 is a deficient number, since it is larger than the sum of its proper divisors (189761513).

399741303 is a wasteful number, since it uses less digits than its factorization.

399741303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277074.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 399741303 is about 19993.5315289721. The cubic root of 399741303 is about 736.6474241565.

The spelling of 399741303 in words is "three hundred ninety-nine million, seven hundred forty-one thousand, three hundred three".