1420164 has 36 divisors (see below), whose sum is σ = 3634176. Its totient is φ = 467568.

The previous prime is 1420151. The next prime is 1420169. The reversal of 1420164 is 4610241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3 and base 11.

It is not an unprimeable number, because it can be changed into a prime (1420169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3517 + ... + 3899.

2^1420164 is an apocalyptic number.

It is an amenable number.

1420164 is an abundant number, since it is smaller than the sum of its proper divisors (2214012).

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

1420164 is a wasteful number, since it uses less digits than its factorization.

1420164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1420164 is about 1191.7063396659. The cubic root of 1420164 is about 112.4034133958.

The spelling of 1420164 in words is "one million, four hundred twenty thousand, one hundred sixty-four".