3400542 has 24 divisors (see below), whose sum is σ = 7641816. Its totient is φ = 1133352.

The previous prime is 3400531. The next prime is 3400543. The reversal of 3400542 is 2450043.

It is a happy number.

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

3400542 is a modest number, since divided by 542 gives 34 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3013 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (318409).

Almost surely, 2^3400542 is an apocalyptic number.

3400542 is an abundant number, since it is smaller than the sum of its proper divisors (4241274).

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

3400542 is an equidigital number, since it uses as much as digits as its factorization.

3400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3400542 is about 1844.0558559870. The cubic root of 3400542 is about 150.3774494163.

Adding to 3400542 its reverse (2450043), we get a palindrome (5850585).

The spelling of 3400542 in words is "three million, four hundred thousand, five hundred forty-two".