1621314 has 12 divisors (see below), whose sum is σ = 3512886. Its totient is φ = 540432.

The previous prime is 1621309. The next prime is 1621349. The reversal of 1621314 is 4131261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1550025 + 71289 = 1245^2 + 267^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 90073 = 1621314 / (1 + 6 + 2 + 1 + 3 + 1 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45019 + ... + 45054.

2^1621314 is an apocalyptic number.

1621314 is an abundant number, since it is smaller than the sum of its proper divisors (1891572).

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

1621314 is a wasteful number, since it uses less digits than its factorization.

1621314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90081 (or 90078 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1621314 is about 1273.3082894570. The cubic root of 1621314 is about 117.4777745800.

Adding to 1621314 its reverse (4131261), we get a palindrome (5752575).

The spelling of 1621314 in words is "one million, six hundred twenty-one thousand, three hundred fourteen".