3951420 has 48 divisors (see below), whose sum is σ = 12071808. Its totient is φ = 957760.

The previous prime is 3951419. The next prime is 3951421. The reversal of 3951420 is 241593.

It is an interprime number because it is at equal distance from previous prime (3951419) and next prime (3951421).

It is a super-2 number, since 2×3951420² = 31227440032800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334 + ... + 3653.

It is an arithmetic number, because the mean of its divisors is an integer number (251496).

Almost surely, 2^3951420 is an apocalyptic number.

3951420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3951420 is an abundant number, since it is smaller than the sum of its proper divisors (8120388).

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

3951420 is a wasteful number, since it uses less digits than its factorization.

3951420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010 (or 6008 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3951420 is about 1987.8178991044. The cubic root of 3951420 is about 158.0948530487.

It can be divided in two parts, 3951 and 420, that added together give a triangular number (4371 = T₉₃).

The spelling of 3951420 in words is "three million, nine hundred fifty-one thousand, four hundred twenty".