3139450 has 24 divisors (see below), whose sum is σ = 6000732. Its totient is φ = 1221120.

The previous prime is 3139447. The next prime is 3139471. The reversal of 3139450 is 549313.

It can be written as a sum of positive squares in 6 ways, for example, as 2653641 + 485809 = 1629^2 + 697^2 .

It is a super-2 number, since 2×3139450² = 19712292605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002 + ... + 2698.

Almost surely, 2^3139450 is an apocalyptic number.

3139450 is a deficient number, since it is larger than the sum of its proper divisors (2861282).

3139450 is a wasteful number, since it uses less digits than its factorization.

3139450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3139450 is about 1771.8493163923. The cubic root of 3139450 is about 146.4258847698.

The spelling of 3139450 in words is "three million, one hundred thirty-nine thousand, four hundred fifty".