1421946 has 24 divisors (see below), whose sum is σ = 3104244. Its totient is φ = 470400.

The previous prime is 1421933. The next prime is 1421963. The reversal of 1421946 is 6491241.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 540225 = 939^2 + 735^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3346 + ... + 3746.

2^1421946 is an apocalyptic number.

1421946 is an abundant number, since it is smaller than the sum of its proper divisors (1682298).

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

1421946 is a wasteful number, since it uses less digits than its factorization.

1421946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 603 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1421946 is about 1192.4537726889. The cubic root of 1421946 is about 112.4504077716.

The spelling of 1421946 in words is "one million, four hundred twenty-one thousand, nine hundred forty-six".