1384049157 has 32 divisors (see below), whose sum is σ = 1990517760. Its totient is φ = 853440000.

The previous prime is 1384049143. The next prime is 1384049159. The reversal of 1384049157 is 7519404831.

It is a happy number.

It is not a de Polignac number, because 1384049157 - 2²⁰ = 1383000581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384049159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269857 + ... + 274937.

It is an arithmetic number, because the mean of its divisors is an integer number (62203680).

Almost surely, 2^1384049157 is an apocalyptic number.

It is an amenable number.

1384049157 is a deficient number, since it is larger than the sum of its proper divisors (606468603).

1384049157 is a wasteful number, since it uses less digits than its factorization.

1384049157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1384049157 is about 37202.8111437832. The cubic root of 1384049157 is about 1114.4241248584.

The spelling of 1384049157 in words is "one billion, three hundred eighty-four million, forty-nine thousand, one hundred fifty-seven".