62940389 has 2 divisors, whose sum is σ = 62940390. Its totient is φ = 62940388.

The previous prime is 62940373. The next prime is 62940419. The reversal of 62940389 is 98304926.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 27144100 = 5983^2 + 5210^2 .

It is a cyclic number.

It is not a de Polignac number, because 62940389 - 2⁴ = 62940373 is a prime.

It is a super-2 number, since 2×62940389² = 7922985134942642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62940329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31470194 + 31470195.

It is an arithmetic number, because the mean of its divisors is an integer number (31470195).

Almost surely, 2^62940389 is an apocalyptic number.

It is an amenable number.

62940389 is a deficient number, since it is larger than the sum of its proper divisors (1).

62940389 is an equidigital number, since it uses as much as digits as its factorization.

62940389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 62940389 is about 7933.4979044555. The cubic root of 62940389 is about 397.7801808793.

The spelling of 62940389 in words is "sixty-two million, nine hundred forty thousand, three hundred eighty-nine".