62390861 has 16 divisors (see below), whose sum is σ = 70672560. Its totient is φ = 54673920.

The previous prime is 62390849. The next prime is 62390863. The reversal of 62390861 is 16809326.

It can be written as a sum of positive squares in 8 ways, for example, as 1394761 + 60996100 = 1181^2 + 7810^2 .

It is a cyclic number.

It is not a de Polignac number, because 62390861 - 2¹⁰ = 62389837 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62390863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21641 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (4417035).

Almost surely, 2^62390861 is an apocalyptic number.

62390861 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

62390861 is a deficient number, since it is larger than the sum of its proper divisors (8281699).

62390861 is a wasteful number, since it uses less digits than its factorization.

62390861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 62390861 is about 7898.7885780036. The cubic root of 62390861 is about 396.6191319197.

The spelling of 62390861 in words is "sixty-two million, three hundred ninety thousand, eight hundred sixty-one".