1390164 has 48 divisors (see below), whose sum is σ = 3472896.
Its totient is φ = 432000.
The previous prime is 1390159. The next prime is 1390177. The reversal of 1390164 is 4610931.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13714 + ... + 13814.
It is an arithmetic number, because the mean of its divisors is an integer number (72352).
21390164 is an apocalyptic number.
It is an amenable number.
1390164 is an abundant number, since it is smaller than the sum of its proper divisors (2082732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1390164 is a wasteful number, since it uses less digits than its factorization.
1390164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176 (or 174 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 1390164 is about 1179.0521616960.
The cubic root of 1390164 is about 111.6062919591.
The spelling of 1390164 in words is "one million, three hundred ninety thousand, one hundred sixty-four".