3750621 has 8 divisors (see below), whose sum is σ = 5715264. Its totient is φ = 2143200.

The previous prime is 3750613. The next prime is 3750623. The reversal of 3750621 is 1260573.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3750621 - 2³ = 3750613 is a prime.

It is a super-3 number, since 3×3750621³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3750591 and 3750600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89280 + ... + 89321.

It is an arithmetic number, because the mean of its divisors is an integer number (714408).

Almost surely, 2^3750621 is an apocalyptic number.

It is an amenable number.

3750621 is a deficient number, since it is larger than the sum of its proper divisors (1964643).

3750621 is a wasteful number, since it uses less digits than its factorization.

3750621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178611.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 3750621 is about 1936.6520079767. The cubic root of 3750621 is about 155.3702007861.

It can be divided in two parts, 3750 and 621, that added together give a triangular number (4371 = T₉₃).

The spelling of 3750621 in words is "three million, seven hundred fifty thousand, six hundred twenty-one".