3467021 has 4 divisors (see below), whose sum is σ = 3470844. Its totient is φ = 3463200.

The previous prime is 3466943. The next prime is 3467039. The reversal of 3467021 is 1207643.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 1590121 = 1370^2 + 1261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3467021 is a prime.

It is a super-2 number, since 2×3467021² = 24040469228882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3467221) 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, 311 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (867711).

Almost surely, 2^3467021 is an apocalyptic number.

It is an amenable number.

3467021 is a deficient number, since it is larger than the sum of its proper divisors (3823).

3467021 is a wasteful number, since it uses less digits than its factorization.

3467021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3467021 is about 1861.9938238351. The cubic root of 3467021 is about 151.3510683005.

Adding to 3467021 its sum of digits (23), we get a square (3467044 = 1862²).

The spelling of 3467021 in words is "three million, four hundred sixty-seven thousand, twenty-one".