3742949 has 4 divisors (see below), whose sum is σ = 4277664. Its totient is φ = 3208236.

The previous prime is 3742933. The next prime is 3742961. The reversal of 3742949 is 9492473.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9492473 = 89 ⋅106657.

It is a cyclic number.

It is not a de Polignac number, because 3742949 - 2⁴ = 3742933 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 (3742919) 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, 267347 + ... + 267360.

It is an arithmetic number, because the mean of its divisors is an integer number (1069416).

Almost surely, 2^3742949 is an apocalyptic number.

It is an amenable number.

3742949 is a deficient number, since it is larger than the sum of its proper divisors (534715).

3742949 is an equidigital number, since it uses as much as digits as its factorization.

3742949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534714.

The product of its digits is 54432, while the sum is 38.

The square root of 3742949 is about 1934.6702561419. The cubic root of 3742949 is about 155.2641904425.

The spelling of 3742949 in words is "three million, seven hundred forty-two thousand, nine hundred forty-nine".