3499780 has 12 divisors (see below), whose sum is σ = 7349580. Its totient is φ = 1399904.

The previous prime is 3499763. The next prime is 3499787. The reversal of 3499780 is 879943.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 1327104 = 1474^2 + 1152^2 .

It is not an unprimeable number, because it can be changed into a prime (3499787) 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, 87475 + ... + 87514.

It is an arithmetic number, because the mean of its divisors is an integer number (612465).

Almost surely, 2^3499780 is an apocalyptic number.

It is an amenable number.

3499780 is an abundant number, since it is smaller than the sum of its proper divisors (3849800).

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

3499780 is a wasteful number, since it uses less digits than its factorization.

3499780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174998 (or 174996 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3499780 is about 1870.7698949898. The cubic root of 3499780 is about 151.8262673387.

The spelling of 3499780 in words is "three million, four hundred ninety-nine thousand, seven hundred eighty".