614364397 has 4 divisors (see below), whose sum is σ = 617483196. Its totient is φ = 611245600.

The previous prime is 614364371. The next prime is 614364407. The reversal of 614364397 is 793463416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 415385161 + 198979236 = 20381^2 + 14106^2 .

It is a cyclic number.

It is not a de Polignac number, because 614364397 - 2¹⁹ = 613840109 is a prime.

It is a super-2 number, since 2×614364397² = 754887224602347218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614368397) 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 3 ways as a sum of consecutive naturals, for example, 1559104 + ... + 1559497.

It is an arithmetic number, because the mean of its divisors is an integer number (154370799).

Almost surely, 2^614364397 is an apocalyptic number.

It is an amenable number.

614364397 is a deficient number, since it is larger than the sum of its proper divisors (3118799).

614364397 is a wasteful number, since it uses less digits than its factorization.

614364397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118798.

The product of its digits is 326592, while the sum is 43.

The square root of 614364397 is about 24786.3752291455. The cubic root of 614364397 is about 850.1104340944.

The spelling of 614364397 in words is "six hundred fourteen million, three hundred sixty-four thousand, three hundred ninety-seven".