62649989 has 8 divisors (see below), whose sum is σ = 64186368. Its totient is φ = 61130160.

The previous prime is 62649971. The next prime is 62650001. The reversal of 62649989 is 98994626.

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

It is a cyclic number.

It is not a de Polignac number, because 62649989 - 2¹⁶ = 62584453 is a prime.

It is a super-2 number, since 2×62649989² = 7850042243400242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62649989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62649929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (8023296).

Almost surely, 2^62649989 is an apocalyptic number.

It is an amenable number.

62649989 is a deficient number, since it is larger than the sum of its proper divisors (1536379).

62649989 is a wasteful number, since it uses less digits than its factorization.

62649989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its digits is 1679616, while the sum is 53.

The square root of 62649989 is about 7915.1746032542. The cubic root of 62649989 is about 397.1674663117.

The spelling of 62649989 in words is "sixty-two million, six hundred forty-nine thousand, nine hundred eighty-nine".