3598740 has 36 divisors (see below), whose sum is σ = 10916724. Its totient is φ = 959616.

The previous prime is 3598739. The next prime is 3598757. The reversal of 3598740 is 478953.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 1887876 = 1308^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3598695 and 3598704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9817 + ... + 10176.

Almost surely, 2^3598740 is an apocalyptic number.

3598740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3598740 is an abundant number, since it is smaller than the sum of its proper divisors (7317984).

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

3598740 is a wasteful number, since it uses less digits than its factorization.

3598740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20008 (or 20003 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3598740 is about 1897.0345278882. The cubic root of 3598740 is about 153.2440038388.

The spelling of 3598740 in words is "three million, five hundred ninety-eight thousand, seven hundred forty".