3370421 has 2 divisors, whose sum is σ = 3370422. Its totient is φ = 3370420.

The previous prime is 3370387. The next prime is 3370457. The reversal of 3370421 is 1240733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3189796 + 180625 = 1786^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3370421 - 2⁶ = 3370357 is a prime.

It is a super-2 number, since 2×3370421² = 22719475434482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₂₄₁₅₇₁ and since 3370421 and 241571 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 3370393 and 3370402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3370481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685210 + 1685211.

It is an arithmetic number, because the mean of its divisors is an integer number (1685211).

Almost surely, 2^3370421 is an apocalyptic number.

It is an amenable number.

3370421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3370421 is an equidigital number, since it uses as much as digits as its factorization.

3370421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3370421 is about 1835.8706381442. The cubic root of 3370421 is about 149.9321322607.

It can be divided in two parts, 3370 and 421, that multiplied together give a triangular number (1418770 = T₁₆₈₄).

The spelling of 3370421 in words is "three million, three hundred seventy thousand, four hundred twenty-one".