1620152 has 8 divisors (see below), whose sum is σ = 3037800. Its totient is φ = 810072.

The previous prime is 1620133. The next prime is 1620161. The reversal of 1620152 is 2510261.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1620152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101252 + ... + 101267.

It is an arithmetic number, because the mean of its divisors is an integer number (379725).

2^1620152 is an apocalyptic number.

It is an amenable number.

1620152 is a deficient number, since it is larger than the sum of its proper divisors (1417648).

1620152 is a wasteful number, since it uses less digits than its factorization.

1620152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202525 (or 202521 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1620152 is about 1272.8519159745. The cubic root of 1620152 is about 117.4497023293.

The spelling of 1620152 in words is "one million, six hundred twenty thousand, one hundred fifty-two".