1379672 has 32 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 581280.

The previous prime is 1379663. The next prime is 1379681. The reversal of 1379672 is 2769731.

It is an interprime number because it is at equal distance from previous prime (1379663) and next prime (1379681).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3803 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (93960).

2^1379672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503360).

1379672 is an abundant number, since it is smaller than the sum of its proper divisors (1627048).

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

1379672 is a wasteful number, since it uses less digits than its factorization.

1379672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its digits is 15876, while the sum is 35.

The square root of 1379672 is about 1174.5943980796. The cubic root of 1379672 is about 111.3248068179.

The spelling of 1379672 in words is "one million, three hundred seventy-nine thousand, six hundred seventy-two".