3500046 has 36 divisors (see below), whose sum is σ = 8340696. Its totient is φ = 1059960.

The previous prime is 3500041. The next prime is 3500059. The reversal of 3500046 is 6400053.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1375 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (231686).

Almost surely, 2^3500046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3500046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4170348).

3500046 is an abundant number, since it is smaller than the sum of its proper divisors (4840650).

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

3500046 is a wasteful number, since it uses less digits than its factorization.

3500046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3500046 is about 1870.8409873637. The cubic root of 3500046 is about 151.8301137485.

Adding to 3500046 its reverse (6400053), we get a palindrome (9900099).

The spelling of 3500046 in words is "three million, five hundred thousand, forty-six".