1379504 has 40 divisors (see below), whose sum is σ = 3109920. Its totient is φ = 580608.

The previous prime is 1379503. The next prime is 1379509. The reversal of 1379504 is 4059731.

It is not an unprimeable number, because it can be changed into a prime (1379503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12152 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (77748).

2^1379504 is an apocalyptic number.

1379504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554960).

1379504 is an abundant number, since it is smaller than the sum of its proper divisors (1730416).

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

1379504 is a wasteful number, since it uses less digits than its factorization.

1379504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1379504 is about 1174.5228818546. The cubic root of 1379504 is about 111.3202880321.

The spelling of 1379504 in words is "one million, three hundred seventy-nine thousand, five hundred four".