3420187357 has 4 divisors (see below), whose sum is σ = 3431185056. Its totient is φ = 3409189660.

The previous prime is 3420187291. The next prime is 3420187367. The reversal of 3420187357 is 7537810243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420187357 - 2⁷ = 3420187229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420187367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498383 + ... + 5499004.

It is an arithmetic number, because the mean of its divisors is an integer number (857796264).

Almost surely, 2^3420187357 is an apocalyptic number.

It is an amenable number.

3420187357 is a deficient number, since it is larger than the sum of its proper divisors (10997699).

3420187357 is a wasteful number, since it uses less digits than its factorization.

3420187357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997698.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 3420187357 is about 58482.3679154666. The cubic root of 3420187357 is about 1506.6647666580.

The spelling of 3420187357 in words is "three billion, four hundred twenty million, one hundred eighty-seven thousand, three hundred fifty-seven".