1421936 has 20 divisors (see below), whose sum is σ = 2775864. Its totient is φ = 705600.

The previous prime is 1421933. The next prime is 1421963. The reversal of 1421936 is 6391241.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651 + ... + 3141.

2^1421936 is an apocalyptic number.

1421936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1421936 is a deficient number, since it is larger than the sum of its proper divisors (1353928).

1421936 is a wasteful number, since it uses less digits than its factorization.

1421936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 1421936 is about 1192.4495796469. The cubic root of 1421936 is about 112.4501441641.

The spelling of 1421936 in words is "one million, four hundred twenty-one thousand, nine hundred thirty-six".