3701421 has 12 divisors (see below), whose sum is σ = 5407740. Its totient is φ = 2439360.

The previous prime is 3701417. The next prime is 3701429. The reversal of 3701421 is 1241073.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 2673225 = 1014^2 + 1635^2 .

It is not a de Polignac number, because 3701421 - 2² = 3701417 is a prime.

It is a super-3 number, since 3×3701421³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3701394 and 3701403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3701429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1510 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (450645).

Almost surely, 2^3701421 is an apocalyptic number.

It is an amenable number.

3701421 is a deficient number, since it is larger than the sum of its proper divisors (1706319).

3701421 is a wasteful number, since it uses less digits than its factorization.

3701421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 3701421 is about 1923.9077420708. The cubic root of 3701421 is about 154.6878351385.

Adding to 3701421 its reverse (1241073), we get a palindrome (4942494).

The spelling of 3701421 in words is "three million, seven hundred one thousand, four hundred twenty-one".