1420836 has 24 divisors (see below), whose sum is σ = 3339840. Its totient is φ = 470112.

The previous prime is 1420831. The next prime is 1420841. The reversal of 1420836 is 6380241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1420831) and next prime (1420841).

It is not an unprimeable number, because it can be changed into a prime (1420831) 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, 1650 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (139160).

2^1420836 is an apocalyptic number.

It is an amenable number.

1420836 is an abundant number, since it is smaller than the sum of its proper divisors (1919004).

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

1420836 is a wasteful number, since it uses less digits than its factorization.

1420836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1420836 is about 1191.9882549757. The cubic root of 1420836 is about 112.4211397953.

The spelling of 1420836 in words is "one million, four hundred twenty thousand, eight hundred thirty-six".