1379403172 has 24 divisors (see below), whose sum is σ = 2774058560. Its totient is φ = 587904480.

The previous prime is 1379403167. The next prime is 1379403191. The reversal of 1379403172 is 2713049731.

It is a happy number.

It is a super-3 number, since 3×1379403172³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131022 + ... + 141157.

Almost surely, 2^1379403172 is an apocalyptic number.

It is an amenable number.

1379403172 is an abundant number, since it is smaller than the sum of its proper divisors (1394655388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379403172 is a wasteful number, since it uses less digits than its factorization.

1379403172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272371 (or 272369 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1379403172 is about 37140.3173384396. The cubic root of 1379403172 is about 1113.1757583132.

The spelling of 1379403172 in words is "one billion, three hundred seventy-nine million, four hundred three thousand, one hundred seventy-two".