1620962 has 8 divisors (see below), whose sum is σ = 2778816. Its totient is φ = 694692.

The previous prime is 1620961. The next prime is 1620973. The reversal of 1620962 is 2690261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1620961) 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, 57878 + ... + 57905.

It is an arithmetic number, because the mean of its divisors is an integer number (347352).

2^1620962 is an apocalyptic number.

1620962 is a deficient number, since it is larger than the sum of its proper divisors (1157854).

1620962 is a wasteful number, since it uses less digits than its factorization.

1620962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115792.

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

The square root of 1620962 is about 1273.1700593401. The cubic root of 1620962 is about 117.4692721823.

The spelling of 1620962 in words is "one million, six hundred twenty thousand, nine hundred sixty-two".