4020351 has 8 divisors (see below), whose sum is σ = 5376000. Its totient is φ = 2672472.

The previous prime is 4020349. The next prime is 4020353. The reversal of 4020351 is 1530204.

It is an interprime number because it is at equal distance from previous prime (4020349) and next prime (4020353).

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

It is not a de Polignac number, because 4020351 - 2¹ = 4020349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4020351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020353) 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, 601 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 2^4020351 is an apocalyptic number.

4020351 is a deficient number, since it is larger than the sum of its proper divisors (1355649).

4020351 is a wasteful number, since it uses less digits than its factorization.

4020351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 4020351 is about 2005.0812951100. The cubic root of 4020351 is about 159.0088599153.

Adding to 4020351 its reverse (1530204), we get a palindrome (5550555).

It can be divided in two parts, 4020 and 351, that added together give a triangular number (4371 = T₉₃).

The spelling of 4020351 in words is "four million, twenty thousand, three hundred fifty-one".