1399232470 has 32 divisors (see below), whose sum is σ = 2580877728. Its totient is φ = 545895168.

The previous prime is 1399232467. The next prime is 1399232479. The reversal of 1399232470 is 742329931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399232479) 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, 366612 + ... + 370408.

It is an arithmetic number, because the mean of its divisors is an integer number (80652429).

Almost surely, 2^1399232470 is an apocalyptic number.

1399232470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399232470 is a deficient number, since it is larger than the sum of its proper divisors (1181645258).

1399232470 is a wasteful number, since it uses less digits than its factorization.

1399232470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1399232470 is about 37406.3159105518. The cubic root of 1399232470 is about 1118.4844696334.

The spelling of 1399232470 in words is "one billion, three hundred ninety-nine million, two hundred thirty-two thousand, four hundred seventy".