1628395 has 16 divisors (see below), whose sum is σ = 2098080. Its totient is φ = 1209600.

The previous prime is 1628387. The next prime is 1628401. The reversal of 1628395 is 5938261.

1628395 = T₃₁ + T₃₂ + ... + T₂₁₃.

It is not a de Polignac number, because 1628395 - 2³ = 1628387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1628395.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5655 + ... + 5935.

It is an arithmetic number, because the mean of its divisors is an integer number (131130).

2^1628395 is an apocalyptic number.

1628395 is a deficient number, since it is larger than the sum of its proper divisors (469685).

1628395 is a wasteful number, since it uses less digits than its factorization.

1628395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 12960, while the sum is 34.

The square root of 1628395 is about 1276.0858121615. The cubic root of 1628395 is about 117.6485521134.

The spelling of 1628395 in words is "one million, six hundred twenty-eight thousand, three hundred ninety-five".