1624941 has 16 divisors (see below), whose sum is σ = 2440320. Its totient is φ = 1081836.

The previous prime is 1624933. The next prime is 1624943. The reversal of 1624941 is 1494261.

It is not a de Polignac number, because 1624941 - 2³ = 1624933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1624943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (152520).

2^1624941 is an apocalyptic number.

It is an amenable number.

1624941 is a deficient number, since it is larger than the sum of its proper divisors (815379).

1624941 is an frugal number, since it uses more digits than its factorization.

1624941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 746 counting only the distinct ones).

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

The square root of 1624941 is about 1274.7317364842. The cubic root of 1624941 is about 117.5653115099.

It can be divided in two parts, 16249 and 41, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 1624941 in words is "one million, six hundred twenty-four thousand, nine hundred forty-one".